Start List: 2021 World Triathlon Duathlon Championships Aviles | Elite Men
Technical Delegate: Bex Stubbings/GBR. Head Referee: Esther Sanchez/ESP.Competition Jury: Bex Stubbings/GBR, Alpar Nagy/HUN, Alicia Garcia/ESP.
Distances: 1st Run 10.4 km (4 laps), Bike 39.6 km (6 laps), 2nd Run 5.2.km (2 laps)
Air temperature 16.5ºC
Athletes #6 Bierinckx/BEL, Koizumi/JPN and #50 Alagona served 15 seconds penalty during the socond run.
Athlete #23 Diaza Herreño/COL was disqualified because he did not stop in the penalty box.