This is a sortable list of multisport and triathlon fatalities.
It contains information on athletes, spectators or staff who died as a result of participating in a multisport event or triathlon.
+Country of RaceNameAgeDate of RaceName of Multisport or Triathlon RaceLocationCause/Other NotesDisciplineUSUnknown Male5109/12/2026Ironman 70.3 WisconsinMadison, WIHealth event while swimming (The family wishes this to remain private)SwimFranceUnknown Male4206/28/2026Ironman 70.3 NiceNice, FranceRace canceled due to heat. Some athletes proceeded on course anyway. Athlete cycling hit by a motorcycle after athlete crossed center. BikeUSLarry Winans616/14/2026Ironman 70.3 Happy Valley PennsylvaniaCardiac arrestSwimUSMara Flávia Araujo384/18/2026Ironman 140.6 TexasTexasDrowningSwimSouth AfricaMichael Clapperton5811/16/2025Ironman 70.3 Mossel BayWestern CapeTBDSwimSouth AfricaMartin Pretorius2911/16/2025Ironman 70.3 Mossel BayWestern CapeTBDSwimTurkeyJohn Brett5211/02/2025Ironman 70.3 TurkeyBelekCardiac arrestSwimUSDavid Mattingly6810/5/2025Ironman 70.3 WacoTexasTBDSwimMexicoT.F. Eusebio589/21/2025Ironman 70.3 CozumelQuintana RooTBDSwimCanadaSean Cleary528/10/2025Barrie TriathlonOntarioTBDSwimAustriaAlexander Schawalder 627/20/2025Trumer TriathlonSalzburgCardiac arrestSwimUSHannah Merlucci377/19/2025Fayson Lakes TriathlonNew JerseyTBDSwimUSPeter Sultan547/13/2025Jamesport TriathlonNew YorkTBDRunUKSam Buchan317/13/2025Ironman 70.3 SwanseaWalesExertional heat stroke causing cardiac arrest.SwimUSEric Wolfe437/12/2025Ironman 70.3 MuncieIndianaMyocardial infarction, due to ischemic heart diseaseSwimUSKen Freed646/29/2025Manitou TriathlonMinnesotaTBDSwimFranceUnknown male 546/14/2025T24 Ile de RéCharente-MaritimeTBDSwimFranceUnknown male476/7/2025Alpsman Xtrem TriathlonHaute-SavoieCollision with a truckBikeSouth AfricaUnknownTBD6/1/2025Ironman 70.3 DurbanKwaZulu-NatalTBDSwimSouth AfricaUnknownTBD3/29/20255150 Nelson Mandela BayEastern CapeTBDSwimBrazilAninha Zuleica Xavier393/16/2025Beira-Mar de FortalezaCearáTBDSwimAustraliaUnknown60s2/8/2025Coles Bay TriathlonTasmaniaTBDSwimUSUnknown4612/08/2024Ironman 70.3 Indian WellsCaliforniaTBDSwimAustraliaShekhar Dhanvijay4812/1/2024Ironman Western AustraliaWestern AustraliaTBDSwimCroatiaUnknown5010/20/24Ironman 70.3 PorecPorecTBDSwimSpainMark Stokes5710/17/24World Triathlon ChampionshipTorremolinosTBDRunSpainRoger Mas Colomer7910/17/24World Triathlon ChampionshipTorremolinosTBDSwimSpainElena Smirnova4110/6/2024Ironman 70.3 Calella-BarcelonaCalellaTBDSwimTaiwanMr. Liu659/22/2024Force 2024 Hualien TriathlonHualien CountyDrowningSwimUKJohn Sanders618/24/2024Triathlon England National Club RelaysNottinghamshireTBDAfterUSRichard DiStefano 658/18/2024CazenoviaNew YorkTBDSwimUSLazar Đukić288/8/2024Crossfit GamesTexasTBDSwimUSUNKTBD7/21/2024Ironman 70.3 OregonOregonTBDSwimUSUNKTBD7/20/2024Nantucket TriathlonMassachusettsPulled from the 600 yard swimSwimPhilippinesUNKTBD7/14/2024Ironman 5150 BoholBoholTBDSwimKoreaMr. Kim626/2/2024Challenge Gunsan-SaemangeumGunsanPolice believe heart attackSwimUSAmy Rogers Wolfenden505/19/2024XTERRA North American ChampionshipAlabamaTBDSwimUSPaul Lachiewicz735/5/2024White Lake North CarolinaUnresponsive 400 yards inSwimUSJean-Francois Alain494/7/2024Ironman 70.3 GalvestonTexasRequiring medical attention 950m inSwimColombiaJorge Zambrano343/17/2024Xseries Tri Fest Sai San AndresHeart attackSwimUSRick Betton 713/10/2024Azalea SprintNorth CarolinaCollapsed after 300 yard seeded pool swimSwimUSJoyce Allen6212/10/2023Key West TriathlonFloridaVehicle collisionBikeAustraliaUNK5311/5/2023NoosaQueenslandfound unresponsive, was pulled from the water, and died on the sceneSwimNew ZealandRachel James5011/4/2023Iron MaoriNapierSudden deathSwimIndiaKamakhya Siddharth2610/8/2023Ironman 70.3 GoaGoasuffered multiple organ failureRunUSTim Shelton5310/7/2023Ironman 70.3 MemphisTennesseecardiac arrestSwimMalaysiaMuhaini Mahmud4410/7/2023Ironman 70.3 Langkawi LangkawiTBDSwimSpainUnnamedUNK10/1/2023Ironman 70.3 BarcelonaBarcelonaUNKBikeUKJohn Griffin629/20/2023Oxfordshire Tri SeriesOxfordshireSingle cyclist bike accidentBikeUSDax Bakken519/10/2023Ironman 140.6 WisconsinWisconsinTBDBikeUSScott Morrow588/26/2023Tri the WildwoodsNew JerseyDifficulty in the waterSwimFinlandCheryl Eng Lucero668/26/2023Ironman 70.3 World ChampionshipLahtiDifficulty in the waterSwimIrelandIvan Chittenden648/20/2023Ironman 70.3 Ireland CorkYoughalAcute cardiorespiratory failure due to drowningSwimIrelandBrendan Wall448/20/2023Ironman 70.3 Ireland CorkYoughalAcute cardiorespiratory failure due to drowningSwimEstoniaUnnamedUNK8/6/2023Ironman 70.3 TallinnTallinnFound unresponsive in Lake HarkuSwimFranceSarah Fagan487/28/2023Alpe D'Huez TriathlonAllemonFound unresponsive in Lake VerneySwimCanadaAlex Gress507/9/2023Ironman 70.3 MuskokaHuntsville, OntarioSwimUSJordan Whitney Taylor346/25/2023San Diego International Triathlon (SDIT)San Diego, CAFound unresponsive during swimSwimGermanyUnnamed706/4/2023Ironman 140.6 HamburgHamburgMotorcycle rider died in collision with athlete.BikeUKAndrew Ireland615/28/2023Swansea TriathlonSwansea, WalesAthlete required medical attention during swimSwimUSMarshall Martin585/21/2023Ironman 70.3 ChattanoogaChattanooga, TNBicycle accident, head, rib and other injuries. Taken to hospital, died on May 29, 2023BikeFranceUnnamedUNK5/21/2023Ironman 70.3 Aix-en-ProvenceAix-en-Provence, Bouches-du-RhôneDuring the beginning of the swimSwimAustraliaPeter Tanham634/29/2023Busselton 100Floreat, PerthRequired medical attention on bike, taken to hospital and later pronounced deadBikePhilippines Jerry Kasim493/26/2023Ironman 70.3 DavaoDavao City, Davao Region Heart attack SwimIsraelMichael Ginor5911/25/2022Ironman Israel Middle East ChampionshipTiberias, Northern DistrictSuffered heart attack and found in distress during swim, taken to local hospital and later pronounced deadSwimUSAllen Simmons7511/5/2022Ironman FloridaPanama City Beach, FloridaRequired medical attention after finishing, taken to local hospital and later pronounced deadLaterPortugalDerrick Tee Hui Sheng3610/15/2022Ironman 70.3 PortugalCascais, LibsonRequired medical attention during swim, died in ambulance on the way to hospitalSwimBrazilFernando Jorge Mendes Ahid5810/9/2022Maranhense Triathlon FederationEspigão Costeiro, São LuísHad a sudden illness during the swimming test, taken to local hospital and later pronounced deadSwimUS Evelyn Lopez449/25/2022Ironman 70.3 AugustaAugusta, GeorgiaBecame unresponsive during swim, taken to local hospital and later pronounced deadSwimUSEduardo Munoz619/11/2022Ironman 70.3 Santa CruzSanta Cruz, CaliforniaSuffered heart attack and found unresponsive during swim, taken to local hospital and later pronounced deadSwimGermanyRolf Felber678/28/2022Ironman 70.3 DuisburgDuisburg, RhinelandFound unresponsive shortly after beginning swim, taken to local hospital and pronounced dead upon arrivalSwimUSKevin Holt648/6/2022Ironman 70.3 BoulderBoulder, ColoradoHit head during swim, taken to local hospital and later pronounced dead due to lack of oxygenSwimCanadaCandace Nayman277/28/2022Toronto Triathlon FestivalToronto, OntarioCollapsed during swim, taken to local hospital and pronounced dead several days later, donated organsSwimVenezuelaSusana Lozada Forero327/16/2022El DesafíoBarinas, BarinasFainted during run, taken to local hospital and later pronounced dead due to acute dehydration and hypoglycemiaRunUSWilliam R. Harms516/26/2022Pleasant Prairie TriathlonPleasant Prairie, WisconsinFound unresponsive by racer during swim, taken to local hospital and later pronounced deadSwimUSMichael P. Bleacher706/12/2022Escape the Cape Lower Township, New JerseyFound "in-distress" during swim, taken to local hospital and later pronounced deadSwimUKAndy Hey546/12/2022Ironman 70.3 StaffordshireStaffordshire, EnglandNeeded medical attention during swim, taken to local hospital and later pronounced dead SwimUSCurtis J. Wilson715/16/2022Bear TriathlonNewark, DelawareNeeded CPR performed during swim, taken to local hospital and later pronounced deadSwimUKAndrew Phillips565/28/2022Blenheim Palace TriathlonOxfordHypoxic ischaemic encephalopathy and cardiac arrestSwimPortugalUnnamedUNK5/7/2022Challenge LisboaLisboaSwimSpainUnnamed415/7/2022Ironman 70.3 AlcudiaMallorcaSwimUSDaniel Winkler464/3/2022Ironman 70.3 TexasTexasSwimChileRenato Bastías381/9/2022Ironman 70.3 PuconPuconHeart AttackSwimUSMichael Wayne Guenzler4210/10/2021Ponte Vedra Beach TriathlonFloridaMajor Medical Event/DrowningSwimMexicoLeticia Rico González519/26/2021Ironman 70.3 CozumelCozumel,