Triathlon calendar 2027
800 races in 2027 (701 triathlons, 69 duathlons, 28 aquathlons and 2 aquabikes) between 1 January 2027 and 11 December 2027.
25 with a verified page (fee, distances and schedule checked at the official source); the rest are basic listings with date, location and official link.
Current entry fees on verified pages: €68 to €920.64, in each race's own currency.
Next up: New Year's Day Triathlon, on 1 January 2027 in Edinburgh, United Kingdom.
By distance: 11 super sprint, 47 sprint, 18 olympic, 107 middle distance, 45 long distance and 9 other distance. Busiest months: June 2027 (147), May 2027 (129) and April 2027 (96). Countries with most races: United States (141), United Kingdom (97) and Australia (93).
Races
| Date | Race | Location | Sport and distance | Fee | Page |
|---|---|---|---|---|---|
| 1 Jan 2027 | New Year's Day Triathlon | Edinburgh, United Kingdom | Triathlon · Distance pending | — | Basic |
| 2 Jan 2027 | PacBev Bridport Sprint Triathon | Bridport, Tasmania, Australia | Triathlon · Distance pending | — | Basic |
| 3 Jan 2027 | Maitland Triathlon Club Race | Maitland, New South Wales, Australia | Duathlon · Distance pending | — | Basic |
| 3 Jan 2027 | Woodbridge & Endeavour Physiotherapy SuperMix & Kids Triathlon | Rockingham, Western Australia, Australia | Triathlon · Distance pending | — | Basic |
| 9 Jan 2027 | Freestate Triathlon & Duathlon | Maselspoort, Free State, South Africa | Triathlon · Distance pending | — | Basic |
| 9 Jan 2027 | L'hivernale des Cross Du Cruas | Cruas, Departamento 07, France | Duathlon · Distance pending | — | Basic |
| 10 Jan 2027 | 2XU Triathlon Series - Race 2 | Saint Kilda West, Victoria, Australia | Triathlon · Distance pending | — | Basic |
| 10 Jan 2027 | Duatló Circuit Ricardo Tormo Cheste | Cheste (Circuit Ricardo Tormo), Valencian Community, Spain | Duathlon · Sprint | — | Basic |
| 10 Jan 2027 | IRONMAN 70.3 Pucon | Pucon, Chile | Triathlon · Middle distance | — | Basic |
| 10 Jan 2027 | Sarasota, FL Triathlon | Sarasota, Florida, United States | Triathlon · Distance pending | — | Basic |
| 10 Jan 2027 | XVIII Dúatlon de Reis do Concello de Vimianzo | Vimianzo, Galicia, Spain | Duathlon · Distance pending | — | Basic |
| 11 Jan 2027 | Acacia Bay Aquathon | Taupō, New Zealand | Aquathlon · Distance pending | — | Basic |
| 16 Jan 2027 | Canberra Super Sprint Weekend | Stromlo Forest Park, Australia | Triathlon · Distance pending | — | Basic |
| 16 Jan 2027 | Echuca Moama Multisport Weekend | Echuca, Australia | Triathlon · Sprint | — | Basic |
| 16 Jan 2027 | H2OMAN Family Adventure Weekend | Pico de Loro, Philippines | Aquathlon · Distance pending | — | Basic |
| 17 Jan 2027 | Cape Paterson Aquathon | Cape Paterson, Victoria, Australia | Aquathlon · Distance pending | — | Basic |
| 17 Jan 2027 | Dorney Lake Duathlon | Dorney, United Kingdom | Duathlon · Distance pending | — | Basic |
| 17 Jan 2027 | Duatlón Villa de Rojales | Rojales, Valencian Community, Spain | Duathlon · Sprint | — | Basic |
| 17 Jan 2027 | Manchester Airport Duathlon | Wilmslow, United Kingdom | Duathlon · Distance pending | — | Basic |
| 17 Jan 2027 | Ramsay Health Care Triathlon Pink Melbourne -2027 | Albert Park, Victoria, Australia | Triathlon · Distance pending | — | Basic |
| 17 Jan 2027 | SpeedOn Olympic Triathlon, Duathlon and Multisport | Moturoa / Rabbit Island, Tasman, New Zealand | Triathlon · Distance pending | — | Basic |
| 18 Jan 2027 | 2026-2027 - Tri - #3 | Forster, New South Wales, Australia | Triathlon · Distance pending | — | Basic |
| 18 Jan 2027 | TST Summer Series | Taupō, Waikato Region, New Zealand | Triathlon · Distance pending | — | Basic |
| 23 Jan 2027 | Fulton Hogan Mount Festival | Tauranga, New Zealand | Triathlon · Distance pending | — | Basic |
| 23–24 Jan 2027 | Indoor-Triathlon Aschersleben | Aschersleben, Germany | Triathlon · Distance pending | — | Basic |
| 23–24 Jan 2027 | Tri Estacas 2027 | Tlaltizapán, Morelos, Mexico | Triathlon · Distance pending | — | Basic |
| 24 Jan 2027 | Clasificatorio Campeonato de España de Duatlón - Águilas 2027 | Águilas, Region of Murcia, Spain | Duathlon · Sprint | — | Basic |
| 24 Jan 2027 | MetaSprint Series Aquathlon | Singapore, Singapore | Aquathlon · Distance pending | — | Basic |
| 24 Jan 2027 | W70 Multisports Triathlon Cidade de Caxias do Sul | Caxias do Sul, Rio Grande do Sul, Brazil | Triathlon · Distance pending | — | Basic |
| 25 Jan 2027 | TST Summer Series | Taupō, Waikato Region, New Zealand | Aquathlon · Distance pending | — | Basic |
| 26 Jan 2027 | Australia Day Aquathlon - Bundaberg | Bundaberg West, Queensland, Australia | Aquathlon · Distance pending | — | Basic |
| 26 Jan 2027 | Australia Day Aquathlon - Mackay | West Mackay, Queensland, Australia | Aquathlon · Distance pending | — | Basic |
| 26 Jan 2027 | Australia Day Triathlon - Bicton | Attadale, Western Australia, Australia | Triathlon · Distance pending | — | Basic |
| 26 Jan 2027 | Bathurst Aussie Day Interclub Triathlon 2027 | Bathurst, New South Wales, Australia | Triathlon · Sprint | — | Basic |
| 26 Jan 2027 | MMJ Wollongong Aquathon | Wollongong Harbour, Australia | Triathlon · Distance pending | — | Basic |
| 26 Jan 2027 | Moranbah Australia Day Triathlon | Moranbah, Queensland, Australia | Triathlon · Distance pending | — | Basic |
| 27 Jan 2027 | 2026-27 Swim Run Race 2 | Acton, Australian Capital Territory, Australia | Aquathlon · Distance pending | — | Basic |
| 29 Jan 2027 | Challenge Israman | Eilat, Israel | Triathlon · Distance pending | — | Basic |
| 30 Jan 2027 | 5150 Nelson Mandela Bay | Nelson Mandela Bay Metropolitan Municipality, South Africa | Triathlon · Olympic | — | Basic |
| 30 Jan 2027 | Campeonato de España de Duatlón SuperSprint por Clubes - La Nucía 2027 | La Nucía, Valencian Community, Spain | Duathlon · Super sprint | — | Basic |
| 30 Jan 2027 | Challenge Sir Bani Yas | Abu Dhabi, United Arab Emirates | Triathlon · Distance pending | — | Basic |
| 30 Jan 2027 | Chibchi Fisha Xtri | Lago de Tota (Lake Tota), Colombia | Triathlon · Long distance | — | Basic |
| 30 Jan 2027 | Cronulla Tri Club 2026-2027 Triathlon Series: No.5 | Sutherland, New South Wales, Australia | Triathlon · Distance pending | — | Basic |
| 31 Jan 2027 | Campeonato de España de Duatlón Relevos 2x2 - La Nucía 2027 | La Nucía, Valencian Community, Spain | Duathlon · Super sprint | — | Basic |
| 31 Jan 2027 | Canterbury Classic Triathlon & Duathlon | Lyttelton, Canterbury Region, New Zealand | Triathlon · Distance pending | — | Basic |
| 31 Jan 2027 | IRONMAN 70.3 Nelson Mandela Bay | Port Elizabeth, South Africa | Triathlon · Middle distance | — | Basic |
| 31 Jan 2027 | Maitland Triathlon Club Race | Maitland, New South Wales, Australia | Duathlon · Distance pending | — | Basic |
| 31 Jan 2027 | The Bike Place Shoalwater Classic Triathlon | Arcadia Drive, Shoalwater, Australia | Triathlon · Distance pending | — | Basic |
| 31 Jan 2027 | Tinman JHB | Primeview Midrand Gauteng, Gauteng, South Africa | Triathlon · Distance pending | — | Basic |
| 31 Jan 2027 | TRIndoor - das Winterbattle | Erfurt, Thüringen, Germany | Triathlon · Sprint | — | Basic |
| 5 Feb 2027 | 2025-26 Youth training #6 | Forster, New South Wales, Australia | Aquathlon · Distance pending | — | Basic |
| 5 Feb 2027 | Timaru Triathlon Festival | Timaru, New Zealand | Triathlon · Distance pending | — | Basic |
| 6 Feb 2027 | Dorney Lake Duathlon | Dorney, United Kingdom | Duathlon · Distance pending | — | Basic |
| 6 Feb 2027 | IRONMAN 70.3 Muscat | Muscat, Oman | Triathlon · Middle distance | — | Basic |
| 6 Feb 2027 | IRONSTAR 113 EGYPT 2027 | Sharm El Sheikh, Egypt | Triathlon · Middle distance | — | Basic |
| 6 Feb 2027 | IRONSTAR OLYMPIC EGYPT 2027 | Sharm El Sheikh, Egypt | Triathlon · Olympic | — | Basic |
| 6 Feb 2027 | NW Triathlon Championship & Duathlon | Plot 3 Pretoriuskraal Orkney, North West, South Africa | Triathlon · Distance pending | — | Basic |
| 6 Feb 2027 | Tomakin Triathlon | Tomakin, New South Wales, Australia | Triathlon · Distance pending | — | Basic |
| 7 Feb 2027 | 2XU Triathlon Series - Race 3 | Sandringham, Victoria, Australia | Triathlon · Distance pending | — | Basic |
| 7 Feb 2027 | Barefoot Triathlon - Round 2 Wellington 100 | Scorching Bay Beach, Wellington Region, New Zealand | Triathlon · Distance pending | — | Basic |
| 7 Feb 2027 | Break O'Day St Helens Triathlon | St Helens, Tas, Australia | Triathlon · Distance pending | — | Basic |
| 7 Feb 2027 | IRONMAN 70.3 San Salvador | San Salvador, SS, El Salvador | Triathlon · Middle distance | — | Basic |
| 7 Feb 2027 | Lake Macquarie Triathlon Festival and New U Run | Speers Point, New South Wales, Australia | Triathlon · Distance pending | — | Basic |
| 7 Feb 2027 | Trial Bay Triathlon | South West Rocks, New South Wales, Australia | Triathlon · Distance pending | — | Basic |
| 7 Feb 2027 | VI Duatló Mascarell | Mascarell (Nules), Valencian Community, Spain | Duathlon · Sprint | — | Basic |
| 12 Feb 2027 | 2025-26 Aquathlon #4 | Forster, New South Wales, Australia | Aquathlon · Distance pending | — | Basic |
| 12 Feb 2027 | 2025-26 Youth training #7 | Forster, New South Wales, Australia | Aquathlon · Distance pending | — | Basic |
| 13 Feb 2027 | Bioforum Triathlon | Maselspoort, Free State, South Africa | Triathlon · Distance pending | — | Basic |
| 13 Feb 2027 | Kinloch Triathlon Festival | Taupo, New Zealand | Triathlon · Distance pending | — | Basic |
| 14 Feb 2027 | 2026-27 Jackie Fairweather Memorial Triathlon - ACT Sprint Championships | Acton, Australian Capital Territory, Australia | Triathlon · Distance pending | — | Basic |
| 14 Feb 2027 | AWTC - Vic Regional Tri Series | Osbornes Flat, Victoria, Australia | Triathlon · Distance pending | — | Basic |
| 14 Feb 2027 | Calley Homes Women's Triathlon | Pilot Bay Beach, Bay of Plenty, New Zealand | Triathlon · Distance pending | — | Basic |
| 14 Feb 2027 | Campeonato de España de Duatlón Media Distancia – Almazán 2027 | Almazán, Castile and León, Spain | Duathlon · Middle distance | — | Basic |
| 14 Feb 2027 | IRONMAN 70.3 Amdavad | Ahmedabad, India | Triathlon · Middle distance | — | Basic |
| 14 Feb 2027 | Pho3nix Queensland Triathlon Series - Round 6 - Raby Bay | Cleveland, Queensland, Australia | Triathlon · Distance pending | — | Basic |
| 14 Feb 2027 | TWA PATHWAY PROGRAM LIGHTNING LEAGUE RACE #2 2027 | Champion Lakes, Western Australia, Australia | Triathlon · Distance pending | — | Basic |
| 14 Feb 2027 | XTERRA Anglesea | Anglesea, Victoria, Australia | Triathlon · Distance pending | — | Basic |
| 19 Feb 2027 | 2025-26 Youth training #8 | Forster, New South Wales, Australia | Aquathlon · Distance pending | — | Basic |
| 20 Feb 2027 | Auto & General Cross Tri | Steyn City JHB, Gauteng, South Africa | Triathlon · Distance pending | — | Basic |
| 20 Feb 2027 | Challenge Wānaka | Lake Wānaka, New Zealand | Triathlon · Other distance | — | Basic |
| 20 Feb 2027 | Duatlón Valencia by MTRI | València, Valencian Community, Spain | Duathlon · Distance pending | — | Basic |
| 20 Feb 2027 | NSW Triathlon championships - Forster | Forster, New South Wales, Australia | Triathlon · Distance pending | — | Basic |
| 20 Feb 2027 | V Dúatlon Val de Soneira de Vimianzo | Vimianzo, Galicia, Spain | Duathlon · Distance pending | — | Basic |
| 21 Feb 2027 | 5150 Jujuy | San Salvador de Jujuy, Argentina | Triathlon · Olympic | — | Basic |
| 21 Feb 2027 | Aquathlon #3 - NT Champs | Darwin City, Northern Territory, Australia | Aquathlon · Distance pending | — | Basic |
| 21 Feb 2027 | Barwon Heads Triathlon | Barwon Heads, Victoria, Australia | Triathlon · Distance pending | — | Basic |
| 21 Feb 2027 | Kapiti Women's Triathlon | Raumati Beach, Wellington Region, New Zealand | Triathlon · Distance pending | — | Basic |
| 21 Feb 2027 | Kingscliff Triathlon | Kingscliff, New South Wales, Australia | Triathlon · Distance pending | — | Basic |
| 21 Feb 2027 | Midvaal Ultra | Bass Lake Henly on Klip, Gauteng, South Africa | Triathlon · Distance pending | — | Basic |
| 21 Feb 2027 | Ramsay Health Care Triathlon Pink Gold Coast 2027 | Runaway Bay, Queensland, Australia | Triathlon · Distance pending | — | Basic |
| 21 Feb 2027 | Tinman DBN | Durban Beach Front, KwaZulu-Natal, South Africa | Triathlon · Distance pending | — | Basic |
| 21 Feb 2027 | Triathlon Hawkes Bay Summer Series | Napier, Hawke's Bay Region, New Zealand | Triathlon · Distance pending | — | Basic |
| 22 Feb 2027 | TST Summer Series | Taupō, Waikato Region, New Zealand | Triathlon · Distance pending | — | Basic |
| 26 Feb 2027 | 2025-26 Youth training #9 | Forster, New South Wales, Australia | Aquathlon · Distance pending | — | Basic |
| 27 Feb 2027 | Campeonato de España de Duatlón Contrarreloj por Equipos - Ciudad Real 2027 | Ciudad Real, Castilla–La Mancha, Spain | Duathlon · Sprint | — | Basic |
| 27 Feb 2027 | Cronulla Tri Club 2026-2027 Triathlon Series: No.6 | Sutherland, New South Wales, Australia | Triathlon · Distance pending | — | Basic |
| 27–28 Feb 2027 | Hell of the West | Goondiwindi, Queensland, Australia | Aquabike · Distance pending | — | Basic |
| 28 Feb 2027 | 2026-27 ACT Aquathlon Championships | Acton, Australian Capital Territory, Australia | Aquathlon · Distance pending | — | Basic |
| 28 Feb 2027 | 2XU Triathlon Series - Race 4 | Elwood Beach, Victoria, Australia | Triathlon · Distance pending | — | Basic |
| 28 Feb 2027 | Campeonato de España de Duatlón por Relevos - Ciudad Real 2027 | Ciudad Real, Castilla–La Mancha, Spain | Duathlon · Sprint | — | Basic |
| 28 Feb 2027 | Indoor Aquathlon Linz | Linz, Austria | Aquathlon · Distance pending | — | Basic |
| 28 Feb 2027 | IRONMAN 70.3 Panama | Panama City, Panama | Triathlon · Middle distance | — | Basic |
| 28 Feb 2027 | Maitland Triathlon Club Race | Maitland, New South Wales, Australia | Duathlon · Distance pending | — | Basic |
| 28 Feb 2027 | MetaSprint Series Duathlon | Singapore, Singapore | Duathlon · Distance pending | — | Basic |
| 28 Feb 2027 | Rowdy's Cafe EnduroTriathlon & Kids Triathlon | Rockingham, Western Australia, Australia | Triathlon · Distance pending | — | Basic |
| 28 Feb 2027 | TriSeries Puerto Varas 2027 | Puerto Varas, Chile | Triathlon · Distance pending | — | Basic |
| 28 Feb 2027 | Village Cycle Sprint Triathlon Club Champs | Moturoa / Rabbit Island, Tasman, New Zealand | Triathlon · Distance pending | — | Basic |
| 28 Feb 2027 | WW Cross Duathlon Karkloof | Karkloof KZN, KwaZulu-Natal, South Africa | Duathlon · Distance pending | — | Basic |
| 1 Mar 2027 | TST Summer Series | Taupō, Waikato Region, New Zealand | Triathlon · Distance pending | — | Basic |
| 5 Mar 2027 | 2025-26 Youth training #10 | Forster, New South Wales, Australia | Aquathlon · Distance pending | — | Basic |
| 6 Mar 2027 | Duatlón Concello de Vedra-CRE | Vedra, Galicia, Spain | Duathlon · Distance pending | — | Basic |
| 6 Mar 2027 | Durban Ultra | Durban Beach Front, KwaZulu-Natal, South Africa | Triathlon · Distance pending | — | Basic |
| 6 Mar 2027 | IRONMAN 70.3 New Zealand | Taupo, New Zealand | Triathlon · Middle distance | — | Basic |
| 6 Mar 2027 | IRONMAN New Zealand | Taupo, New Zealand | Triathlon · Long distance | — | Basic |
| 6–7 Mar 2027 | Lanzarote T50 | Lanzarote, Spain | Triathlon · Distance pending | — | Basic |
| 6 Mar 2027 | NW Triathlon & Duathlon | Plot 3 Pretoriuskraal Orkney, North West, South Africa | Triathlon · Distance pending | — | Basic |
| 6 Mar 2027 | Run Bike Run Zeewolde | Zeewolde, Netherlands | Duathlon · Distance pending | — | Basic |
| 6 Mar 2027 | UBC Triathlon Duathlon | Vancouver, British Columbia, Canada | Triathlon · Distance pending | — | Basic |
| 6 Mar 2027 | XVI Duatló Ciutat d'Ontinyent | Ontinyent, Valencian Community, Spain | Duathlon · Sprint | — | Basic |
| 6 Mar 2027 | XXIV Duatlón La Murada Orihuela | La Murada (Orihuela), Valencian Community, Spain | Duathlon · Sprint | — | Basic |
| 7 Mar 2027 | Carlisle Spring Duathlon | Brampton, United Kingdom | Duathlon · Distance pending | — | Basic |
| 7 Mar 2027 | Clasificatorio Campeonato de España de Duatlón - Ólvega 2027 | Ólvega, Castile and León, Spain | Duathlon · Sprint | — | Basic |
| 7 Mar 2027 | Every Woman Triathlon | Champion Lakes, Western Australia, Australia | Triathlon · Distance pending | — | Basic |
| 7 Mar 2027 | Frosty Aquathlon | Littlehampton, United Kingdom | Aquathlon · Distance pending | — | Basic |
| 7 Mar 2027 | Glasgow University Aquathlon | Glasgow, United Kingdom | Aquathlon · Distance pending | — | Basic |
| 7 Mar 2027 | IRONMAN 70.3 Punta del Este | Punta del Este, Uruguay | Triathlon · Middle distance | — | Basic |
| 7 Mar 2027 | Kalgoorlie Club Race 5 26-27 Season | Goldfields Oasis, Australia | Triathlon · Distance pending | — | Basic |
| 7 Mar 2027 | TWA PATHWAY PROGRAM LIGHTNING LEAGUE RACE#3 2027 | Champion Lakes, Western Australia, Australia | Triathlon · Distance pending | — | Basic |
| 11 Mar 2027 | Monday Nights Under Lights CTC Duathlon #1 2026 | Sutherland, New South Wales, Australia | Duathlon · Distance pending | — | Basic |
| 13 Mar 2027 | Bayshore 70.4 and Sprint Triathlon | Long Beach, California, United States | Triathlon · Distance pending | — | Basic |
| 13 Mar 2027 | Campeonato de España de Duatlón por Clubes - Albacete 2027 | Albacete, Castilla–La Mancha, Spain | Duathlon · Sprint | — | Basic |
| 13 Mar 2027 | Dorney Lake Duathlon | Dorney, United Kingdom | Duathlon · Distance pending | — | Basic |
| 13 Mar 2027 | MomsTRI Women's Sprint Triathlon | Goodyear, Arizona, United States | Triathlon · Sprint | — | Basic |
| 13–14 Mar 2027 | Mooloolaba Triathlon | Mooloolaba, Queensland, Australia | Triathlon · Distance pending | — | Basic |
| 13 Mar 2027 | The Rocky Hill Triathlon | Exeter, California, United States | Triathlon · Distance pending | — | Basic |
| 14 Mar 2027 | 2026-2027 - Tri - #4 | Forster, New South Wales, Australia | Triathlon · Distance pending | — | Basic |
| 14 Mar 2027 | Barefoot Triathlon - Scorching Bay | Scorching Bay Beach, Wellington Region, New Zealand | Triathlon · Distance pending | — | Basic |
| 14 Mar 2027 | DGI Winterduatlon | Hofstade (Bt.), Flanders, Belgium | Duathlon · Distance pending | — | Basic |
| 14 Mar 2027 | Duatló per Relleus Ondara | Ondara, Valencian Community, Spain | Duathlon · Super sprint | — | Basic |
| 14 Mar 2027 | Duatlón Popular Ciudad de Albacete | Albacete, Castilla–La Mancha, Spain | Duathlon · Sprint | — | Basic |
| 14 Mar 2027 | Escape the Swamp Triathlon | Gainesville, Florida, United States | Triathlon · Distance pending | — | Basic |
| 14 Mar 2027 | Hexman Triathlon | Shepparton, Victoria, Australia | Triathlon · Distance pending | — | Basic |
| 14 Mar 2027 | IRONMAN 70.3 Dallas-Little Elm | Dallas, TX, United States | Triathlon · Middle distance | — | Basic |
| 14 Mar 2027 | IRONMAN 70.3 Hengqin | Hengqin, China | Triathlon · Middle distance | — | Basic |
| 14 Mar 2027 | IRONMAN 70.3 Laoag | Laoag, Philippines | Triathlon · Middle distance | — | Basic |
| 14 Mar 2027 | IRONMAN 70.3 Puerto Rico | San Juan, Puerto Rico | Triathlon · Middle distance | — | Basic |
| 14 Mar 2027 | Marra Sprint Triathlon | Pilot Bay Beach, Bay of Plenty, New Zealand | Triathlon · Distance pending | — | Basic |
| 14 Mar 2027 | Melbourne Teams Corporate Triathlon | Saint Kilda West, Victoria, Australia | Triathlon · Distance pending | — | Basic |
| 14 Mar 2027 | Ramsay Health Care Triathlon Pink Canberra 2027 | Stromlo, Australian Capital Territory, Australia | Triathlon · Distance pending | — | Basic |
| 14 Mar 2027 | Rivington Duathlon | Horwich, United Kingdom | Duathlon · Distance pending | — | Basic |
| 14 Mar 2027 | Triatlón Olímpico ISS 2027 | Mar del Plata, Buenos Aires, Argentina | Triathlon · Distance pending | — | Basic |
| 19 Mar 2027 | 2025-26 Aquathlon #5 | Forster, New South Wales, Australia | Aquathlon · Distance pending | — | Basic |
| 20–21 Mar 2027 | Gold Coast T100 | Queensland, Australia | Triathlon · Distance pending | — | Basic |
| 20 Mar 2027 | IRONMAN 70.3 Doha | Doha, Qatar | Triathlon · Middle distance | — | Basic |
| 20–21 Mar 2027 | Sanya T50 | Sanya, China | Triathlon · Distance pending | — | Basic |
| 21 Mar 2027 | AKL100 | Auckland, Auckland, New Zealand | Triathlon · Distance pending | — | Basic |
| 21 Mar 2027 | Bathurst Triathlon's Carroll Scott Trophy | Bathurst, New South Wales, Australia | Triathlon · Distance pending | — | Basic |
| 21 Mar 2027 | Coogee Beach Triathlon | Coogee Beach, Western Australia, Australia | Triathlon · Distance pending | — | Basic |
| 21 Mar 2027 | Copa Nordeste e Circuito Brasileiro Longa Distância - Etapa Salvador | Salvador, Bahia, Brazil | Triathlon · Distance pending | — | Basic |
| 21 Mar 2027 | Cross Triathlon Lichtenvoorde | Lichtenvoorde, Netherlands | Triathlon · Distance pending | — | Basic |
| 21 Mar 2027 | Duathlon Cross Villa de Alpedrete | Alpedrete, Community of Madrid, Spain | Duathlon · Distance pending | — | Basic |
| 21 Mar 2027 | East Fortune Duathlon | East Fortune, United Kingdom | Duathlon · Distance pending | — | Basic |
| 21 Mar 2027 | Ely 115 Squadron Duathlon | Ely, United Kingdom | Duathlon · Distance pending | — | Basic |
| 21 Mar 2027 | IRONMAN 70.3 Curitiba | Curitiba, PR, Brazil | Triathlon · Middle distance | — | Basic |
| 21 Mar 2027 | IRONMAN 70.3 Geelong | Geelong, VIC, Australia | Triathlon · Middle distance | — | Basic |
| 21 Mar 2027 | Lake District Duathlons - Grasmere | Grasmere, United Kingdom | Duathlon · Distance pending | — | Basic |
| 21 Mar 2027 | Maitland Triathlon Club Race | Maitland, New South Wales, Australia | Duathlon · Distance pending | — | Basic |
| 21 Mar 2027 | MetaSprint Series Triathlon | Singapore, Singapore | Triathlon · Distance pending | — | Basic |
| 21 Mar 2027 | Mullaloo Triathlon | Mullaloo Beach, Western Australia, Australia | Triathlon · Distance pending | — | Basic |
| 21 Mar 2027 | Oulton Park Spring Duathlon | Little Budworth, United Kingdom | Duathlon · Distance pending | — | Basic |
| 21 Mar 2027 | Total Tri Mallorca | Capdepera, Balearic Islands, Spain | Triathlon · Distance pending | — | Basic |
| 21 Mar 2027 | Triathlon Hawkes Bay Summer Series | Napier, Hawke's Bay Region, New Zealand | Triathlon · Distance pending | — | Basic |
| 22 Mar 2027 | TST Summer Series | Taupō, Waikato Region, New Zealand | Triathlon · Distance pending | — | Basic |
| 27–28 Mar 2027 | Abu Dhabi T50 | Abu Dhabi, United Arab Emirates | Triathlon · Distance pending | — | Basic |
| 27 Mar 2027 | Cronulla Tri Club 2026-2027 Triathlon Series: No.7 | Sutherland, New South Wales, Australia | Triathlon · Distance pending | — | Basic |
| 3 Apr 2027 | Campeonato de España de Duatlón – Avilés 2027 | Avilés, Asturias, Spain | Duathlon · Sprint | — | Basic |
| 3 Apr 2027 | Dorney Lake Duathlon | Dorney, United Kingdom | Duathlon · Distance pending | — | Basic |
| 3 Apr 2027 | IRONMAN 70.3 Oceanside | Oceanside, CA, United States | Triathlon · Middle distance | — | Basic |
| 3 Apr 2027 | IRONMAN 70.3 Vilamoura-Algarve | Vilamoura, Portugal | Triathlon · Middle distance | — | Basic |
| 3 Apr 2027 | Kiwiman Xtreme Triathlon | New Plymouth, Taranaki Region, New Zealand | Triathlon · Distance pending | — | Basic |
| 3 Apr 2027 | Smithfield Sprint Triathlon | Smithfield, Virginia, United States | Triathlon · Sprint | — | Basic |
| 3 Apr 2027 | XTERRA Asia-Pacific Championship | Dunsborough, Western Australia, Australia | Triathlon · Distance pending | — | Basic |
| 3 Apr 2027 | XXIII Duatlón de Herrera | Herrera, Andalusia, Spain | Duathlon · Distance pending | — | Basic |
| 4 Apr 2027 | 5150 Subic Bay Philippines | Subic Bay, Philippines | Triathlon · Olympic | — | Basic |
| 4 Apr 2027 | Caveman Triathlon | Flower Mound, Texas, United States | Triathlon · Distance pending | — | Basic |
| 4 Apr 2027 | Coffs Harbour Triathlon | Coffs Harbour, New South Wales, Australia | Triathlon · Distance pending | — | Basic |
| 4 Apr 2027 | East Leake Triathlon | East Leake, United Kingdom | Triathlon · Distance pending | — | Basic |
| 4 Apr 2027 | Ebotse Africa Cup/SA Sprint Triathlon Champs | Ebotse Benoni Speedboat Club, Gauteng, South Africa | Triathlon · Distance pending | — | Basic |
| 4 Apr 2027 | Fleetwood Spring Triathlon | Fleetwood, United Kingdom | Triathlon · Distance pending | — | Basic |
| 4 Apr 2027 | Goldfields Classic | Goldfields Oasis, Australia | Triathlon · Distance pending | — | Basic |
| 4 Apr 2027 | IRONMAN 70.3 Barranquilla | Barranquilla, Colombia | Triathlon · Middle distance | — | Basic |
| 4 Apr 2027 | IRONMAN 70.3 Puerto Varas | Puerto Varas, LL, Chile | Triathlon · Middle distance | — | Basic |
| 4 Apr 2027 | IRONMAN 70.3 Texas | Galveston Island, TX, United States | Triathlon · Middle distance | — | Basic |
| 4 Apr 2027 | Lavaman Triathlon | Waikoloa, Hawaii, United States | Triathlon · Distance pending | — | Basic |
| 4 Apr 2027 | Maitland Triathlon Club Race | Maitland, New South Wales, Australia | Duathlon · Distance pending | — | Basic |
| 4 Apr 2027 | Team Cross Triathlon - Rabbit Island | Moturoa / Rabbit Island, Tasman, New Zealand | Triathlon · Distance pending | — | Basic |
| 4 Apr 2027 | Triathlon du Pays de Saint Marcellin | Chatte, Departamento 38, France | Triathlon · Distance pending | — | Basic |
| 4 Apr 2027 | Yorkshire Duathlons - Bramham Park | Wetherby, United Kingdom | Duathlon · Distance pending | — | Basic |
| 9–11 Apr 2027 | Kärnten Therme Indoor Triathlon | Villach, Austria | Triathlon · Distance pending | — | Basic |
| 10 Apr 2027 | Escape From Fort Desoto Triathlon/Duathlon | St Petersburg, Florida, United States | Triathlon · Distance pending | — | Basic |
| 10 Apr 2027 | Napa Valley, CA Spring Triathlon | Napa Valley, California, United States | Triathlon · Distance pending | — | Basic |
| 10 Apr 2027 | Pinehurst Triathlon Festival | Pinehurst, North Carolina, United States | Triathlon · Distance pending | — | Basic |
| 10–11 Apr 2027 | Singapore T100 | Singapore, Singapore | Triathlon · Distance pending | — | Basic |
| 10–11 Apr 2027 | Tarragona T50 | Tarragona, Spain | Triathlon · Distance pending | — | Basic |
| 10–11 Apr 2027 | TriTour Deltebre | Deltebre, Catalonia, Spain | Triathlon · Distance pending | — | Basic |
| 10 Apr 2027 | XTERRA Rotorua Festival | Rotorua, Bay of Plenty, New Zealand | Triathlon · Distance pending | — | Basic |
| 10 Apr 2027 | XXIV Dúatlon Cidade de Santiago | Santiago de Compostela, Galicia, Spain | Duathlon · Distance pending | — | Basic |
| 11 Apr 2027 | 2026-2027 - Tri - #5 | Forster, New South Wales, Australia | Triathlon · Distance pending | — | Basic |
| 11 Apr 2027 | 2XU Triathlon Series - Race 5 | Saint Kilda West, Victoria, Australia | Triathlon · Distance pending | — | Basic |
| 11 Apr 2027 | Cocoa Beach Triathlon & Duathlon | Cocoa Beach, Florida, United States | Triathlon · Distance pending | — | Basic |
| 11 Apr 2027 | IRONMAN 70.3 Los Cabos | Los Cabos, BCS, Mexico | Triathlon · Middle distance | — | Basic |
| 11 Apr 2027 | IRONMAN 70.3 San Juan | San Juan, Argentina | Triathlon · Middle distance | — | Basic |
| 11 Apr 2027 | IRONMAN Penghu | Penghu, Taiwan | Triathlon · Long distance | — | Basic |
| 11 Apr 2027 | MADIN TRI Triathlon International 2027 | Sainte-Luce, Departamento 972, Martinique | Triathlon · Distance pending | — | Basic |
| 11 Apr 2027 | Mosselbay Africa Premier Cup/SA Standard Tri Champs | Santos Beach Mossel Bay, EDEN, South Africa | Triathlon · Distance pending | — | Basic |
| 11 Apr 2027 | Murihiku Women's Duathlon | Otatara, Southland Region, New Zealand | Duathlon · Distance pending | — | Basic |
| 11 Apr 2027 | Pho3nix Luke Harrop Memorial Gold Coast Triathlon 2027 | Southport, Queensland, Australia | Triathlon · Distance pending | — | Basic |
| 11 Apr 2027 | Tinman JHB | Primeview Midrand Gauteng, Gauteng, South Africa | Triathlon · Distance pending | — | Basic |
| 11 Apr 2027 | Topman Papudo 2027 | Papudo, Chile | Triathlon · Distance pending | — | Basic |
| 11 Apr 2027 | Triathlon Portocolom | Portocolom, Balearic Islands, Spain | Triathlon · Distance pending | — | Basic |
| 11 Apr 2027 | WA Calibrations Sprint Triathlon & Kids Triathlon | Rockingham, Western Australia, Australia | Triathlon · Distance pending | — | Basic |
| 11 Apr 2027 | XTERRA Puerto Rico | Cabo Rojo, PR, Cabo Rojo, Puerto Rico | Duathlon · Distance pending | — | Basic |
| 17 Apr 2027 | VIII Triatlón No Drafting Canet de Berenguer | Canet d'en Berenguer, Valencian Community, Spain | Triathlon · Olympic | from €68 | Entries open |
| 17 Apr 2027 | Duatlon Eleuterio Balayo Concello de Muros | Muros, Galicia, Spain | Duathlon · Distance pending | — | Basic |
| 17 Apr 2027 | Anfi Challenge Mogán-Gran Canaria | Mogán, Canary Islands, Spain | Triathlon · Other distance | — | Basic |
| 17 Apr 2027 | Bamburgh Castle Duathlons | Bamburgh, United Kingdom | Duathlon · Distance pending | — | Basic |
| 17 Apr 2027 | Campeonato de España de Triatlón por Clubes - Roquetas 2027 | Roquetas de Mar, Andalusia, Spain | Triathlon · Sprint | — | Basic |
| 17 Apr 2027 | Freestate Duathlon | Maselspoort, Free State, South Africa | Duathlon · Distance pending | — | Basic |
| 17 Apr 2027 | Rumpus in Bumpass Olympic & Sprint Triathlons | Lake Anna, Virginia, United States | Triathlon · Distance pending | — | Basic |
| 17 Apr 2027 | Triathlon IJsselmuiden | IJsselmuiden, Netherlands | Triathlon · Distance pending | — | Basic |
| 17 Apr 2027 | XIII. BÚI Duatlon Sprint Országos Bajnokság | Lengyeltóti, Hungary | Duathlon · Sprint | — | Basic |
| 17 Apr 2027 | Zuia Duatloia 27 / Duatlón Zuia 27 | Murgia, Basque Country, Spain | Duathlon · Middle distance | — | Basic |
| 18 Apr 2027 | IRONMAN 70.3 Valencia | València, Valencian Community, Spain | Triathlon · Middle distance | — | Sold out |
| 18 Apr 2027 | Campeonato de España de Triatlón por Relevos / Parejas - Roquetas 2027 | Roquetas de Mar, Andalusia, Spain | Triathlon · Super sprint | — | Basic |
| 18 Apr 2027 | Challenge Florianópolis | Florianópolis, Brazil | Triathlon · Distance pending | — | Basic |
| 18 Apr 2027 | IRONMAN 70.3 Brasilia | DF, Brazil | Triathlon · Middle distance | — | Basic |
| 18 Apr 2027 | IRONMAN South Africa, Mossel Bay | Mossel Bay, South Africa | Triathlon · Long distance | — | Basic |
| 18 Apr 2027 | Mettmanner Duathlon | Mettmann, Germany | Duathlon · Distance pending | — | Basic |
| 18 Apr 2027 | Millerton Lake Crows Nest Triathlon, 5k & 10k | Friant, California, United States | Triathlon · Distance pending | — | Basic |
| 18 Apr 2027 | RBR Almere | Almere, Netherlands | Duathlon · Other distance | — | Basic |
| 18 Apr 2027 | Ribby Hall Triathlon | Wrea Green, United Kingdom | Triathlon · Distance pending | — | Basic |
| 18 Apr 2027 | Stratford Triathlon | Stratford-upon-Avon, United Kingdom | Triathlon · Distance pending | — | Basic |
| 18 Apr 2027 | Wallisellen Triathlon | Wallisellen, Switzerland | Triathlon · Distance pending | — | Basic |
| 18 Apr 2027 | West Lancs Spring Triathlon & Multisport | Ormskirk, United Kingdom | Triathlon · Distance pending | — | Basic |
| 18 Apr 2027 | Wollongong Triathlon | Wollongong, New South Wales, Australia | Triathlon · Distance pending | — | Basic |
| 24 Apr 2027 | Challenge Taiwan | Taitung, Taiwan | Triathlon · Distance pending | — | Basic |
| 24 Apr 2027 | Club La Santa Volcano Triathlon | Tinajo, Canary Islands, Spain | Triathlon · Distance pending | — | Basic |
| 24 Apr 2027 | Cronulla Tri Club 2026-2027 Triathlon Series: No.8 | Sutherland, New South Wales, Australia | Triathlon · Distance pending | — | Basic |
| 24 Apr 2027 | General Smallwood Olympic & Sprint Triathlons | Indian Head, Maryland, United States | Triathlon · Distance pending | — | Basic |
| 24 Apr 2027 | IRONMAN 70.3 Venice-Jesolo | Jesolo, Italy | Triathlon · Middle distance | — | Basic |
| 24 Apr 2027 | IRONMAN Texas | The Woodlands, TX, United States | Triathlon · Long distance | — | Basic |
| 24 Apr 2027 | Lake Norman State Park Sprint Triathlon | Troutman, North Carolina, United States | Triathlon · Sprint | — | Basic |
| 24–25 Apr 2027 | Samarkand T50 | Samarkand, Uzbekistan | Triathlon · Distance pending | — | Basic |
| 24–25 Apr 2027 | St. Anthony's Triathlon | Saint Petersburg, Florida, United States | Triathlon · Distance pending | — | Basic |
| 24 Apr 2027 | Triathlon de Lacanau 2027 | Lacanau, Departamento 33, France | Triathlon · Distance pending | — | Basic |
| 24 Apr 2027 | V Triatló de Puçol | Puçol, Valencian Community, Spain | Triathlon · Sprint | — | Basic |
| 24 Apr 2027 | XTERRA Greece Vouliagmeni | Vouliagmeni, East Attica Regional Unit, Greece | Aquathlon · Distance pending | — | Basic |
| 25 Apr 2027 | XV International Infinitri 113 Triathlon Peñíscola | Peñíscola, Valencian Community, Spain | Triathlon · Middle distance | from €189 | Entries open |
| 25 Apr 2027 | Bishopbriggs Triathlon | Bishopbriggs, United Kingdom | Triathlon · Distance pending | — | Basic |
| 25 Apr 2027 | Cannes International Triathlon | Cannes, Departamento 06, France | Triathlon · Distance pending | — | Basic |
| 25 Apr 2027 | Early Brigg Sprint Triathlon | Brigg, United Kingdom | Triathlon · Distance pending | — | Basic |
| 25 Apr 2027 | Grapes of Wrath Triathlon, 5k & 10k | Delano, California, United States | Triathlon · Distance pending | — | Basic |
| 25 Apr 2027 | Harrogate Triathlon | Harrogate, United Kingdom | Triathlon · Distance pending | — | Basic |
| 25 Apr 2027 | IRONMAN 70.3 Peru | Lima, Peru | Triathlon · Middle distance | — | Basic |
| 25 Apr 2027 | IV Triatlón Teulada Moraira | Teulada-Moraira, Valencian Community, Spain | Triathlon · Distance pending | — | Basic |
| 25 Apr 2027 | Roade Sprint Triathlon | Roade, United Kingdom | Triathlon · Distance pending | — | Basic |
| 25 Apr 2027 | Texasman Triathlon | Valley View, Texas, United States | Triathlon · Distance pending | — | Basic |
| 25 Apr 2027 | Tinman DBN | Durban Beach Front, KwaZulu-Natal, South Africa | Triathlon · Distance pending | — | Basic |
| 25 Apr 2027 | V Triatlo de Moura | Moura, Portugal | Triathlon · Distance pending | — | Basic |
| 25 Apr 2027 | Wilmslow Spring Triathlon | Wilmslow, United Kingdom | Triathlon · Distance pending | — | Basic |
| 26 Apr 2027 | Busselton Festival of Triathlon 2027 | Busselton, Western Australia, Australia | Triathlon · Distance pending | — | Basic |
| 1 May 2027 | 100km Duathlon Dresden | Dresden, Germany | Duathlon · Distance pending | — | Basic |
| 1 May 2027 | Buster Britton Multisport Festival | Pelham, Alabama, United States | Triathlon · Distance pending | — | Basic |
| 1 May 2027 | Dorney Triathlon | Windsor, United Kingdom | Triathlon · Distance pending | — | Basic |
| 1 May 2027 | Hawks Nest Triathlon | Hawks Nest, New South Wales, Australia | Triathlon · Distance pending | — | Basic |
| 1 May 2027 | Rosendal XTri | Heelbo Farm Rosendal, Free State, South Africa | Triathlon · Distance pending | — | Basic |
| 1 May 2027 | Salt Ayre Triathlon | Lancaster, United Kingdom | Triathlon · Distance pending | — | Basic |
| 1 May 2027 | Smith Mountain Lake Triathlon | Huddleston, Virginia, United States | Triathlon · Distance pending | — | Basic |
| 1 May 2027 | Spreewald Duathlon 2027 | Briesensee, Brandenburg, Germany | Duathlon · Distance pending | — | Basic |
| 1 May 2027 | Sun City Ultra | Sun City Resort, North West, South Africa | Triathlon · Distance pending | — | Basic |
| 1 May 2027 | XXIII Triatló de Bétera | Bétera, Valencian Community, Spain | Triathlon · Super sprint | — | Basic |
| 2 May 2027 | ATW St Neots Triathlon | St Neots, United Kingdom | Triathlon · Distance pending | — | Basic |
| 2 May 2027 | Bargara Sprint Triathlon | Bargara, Queensland, Australia | Triathlon · Distance pending | — | Basic |
| 2 May 2027 | Deviation Duathlon - Fareham | Fareham, United Kingdom | Duathlon · Distance pending | — | Basic |
| 2 May 2027 | Horwich Triathlon, Multisport & Trail Runs | Horwich, United Kingdom | Triathlon · Distance pending | — | Basic |
| 2 May 2027 | IRONMAN 70.3 Western Sydney | Penrith, NSW, Australia | Triathlon · Middle distance | — | Basic |
| 2 May 2027 | J-Hawk Earlybird Race Series: Duathlon, Triathlon (Olympic, Sprint, & SuperSprint), AquaBike (Oly & Sprint) | Whitewater, Wisconsin, United States | Triathlon · Distance pending | — | Basic |
| 2 May 2027 | Oldbury White Horse Sprint Events | Calne, United Kingdom | Triathlon · Distance pending | — | Basic |
| 2 May 2027 | Setúbal Triathlon | Setúbal, Setúbal, Portugal | Triathlon · Distance pending | — | Basic |
| 2 May 2027 | Spring Sprint Triathlon & San Diego Tri Series 5K | San Diego, California, United States | Triathlon · Sprint | — | Basic |
| 3 May 2027 | Speedhub Lutterworth Triathlon | Lutterworth, United Kingdom | Triathlon · Distance pending | — | Basic |
| 3 May 2027 | Tad Tri | Tadcaster, United Kingdom | Triathlon · Distance pending | — | Basic |
| 3 May 2027 | Tonbridge Triathlon | Tonbridge, United Kingdom | Triathlon · Distance pending | — | Basic |
| 5–9 May 2027 | H&A Frenchman Triathlon Carcans | Carcans, France | Triathlon · Distance pending | — | Basic |
| 6 May 2027 | Triathlon de Bairon | Lac de Bairon, France | Triathlon · Distance pending | — | Basic |
| 7–8 May 2027 | ChampionMan Duathlon Czempiń | Czempiń, Poland | Duathlon · Distance pending | — | Basic |
| 8 May 2027 | IRONMAN 70.3 Alcúdia-Mallorca | Alcúdia, Balearic Islands, Spain | Triathlon · Middle distance | — | Sold out |
| 8–9 May 2027 | Beijing T50 | Beijing, China | Triathlon · Distance pending | — | Basic |
| 8 May 2027 | Günzburger Alkoholfrei Cross Triathlon | Günzburg, Germany | Triathlon · Distance pending | — | Basic |
| 8 May 2027 | Himalayan Xtri | Pokhara, Nepal | Triathlon · Long distance | — | Basic |
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