IL | Iago Lorenzo Soto | 🇪🇸Spain | — | — |
IA | Iain Alexandridis | | — | 10th — 2017 IRONMAN 70.3 Augusta |
IV | Iain Veitch | | — | 7th — 2014 IRONMAN 70.3 Taiwan |
IB | Ian Boggs | | — | 9th — 2018 IRONMAN 70.3 Augusta |
ID | Ian Dempsey | | — | DNF — 2022 Israel |
IE | Ian Emberson | | — | 3rd — 1979 IRONMAN Hawaii |
IH | Ian Hoover-Grinde | | — | DNF — 2022 IRONMAN 70.3 Mont-Tremblant |
IJ | Ian Jose Lopez | 🇵🇷Puerto rico | — | DNF — 2024 World Triathlon Development Regional Cup Santo Domingo |
| | | PTO #679 | 42nd — 2025 IRONMAN Arizona |
| | 🇮🇪Ireland | — | 22nd — 2024 Europe Triathlon Cup Cork |
| | | — | 20th — 2014 Wildflower |
| | | — | 37th — 2025 WTCS Wollongong |
| | 🇦🇳Individual Neutral Athlete | — | — |
| | 🇦🇳AN | — | 32nd — 2025 World Triathlon Championship Finals Wollongong |
| | 🇲🇴Macau | — | 1st — 2024 GUA Sprint Triathlon National Championships |
| | | — | 19th — 2009 IRONMAN Lanzarote |
| | 🇧🇪Belgium | — | 13th — 2025 World Triathlon Championship Finals Wollongong |
| | 🇸🇱Sierra leone | — | 2nd — 2024 Africa Triathlon Zone 1 Championships Freetown |
| | 🇦🇷Argentina | — | DNS — 2023 IRONMAN 70.3 Cozumel |
| | 🇪🇬Egypt | — | DNF — 2025 Africa Triathlon Sprint Championships El Galala |
| | 🇪🇬Egypt | — | — |
| | 🇸🇪Sweden | — | — |
| | 🇫🇮Finland | — | 10th — 2022 AUT Sprint Triathlon National Championships |
| | 🇫🇮Finland | — | — |
| | 🇮🇱Israel | — | — |
| | 🇬🇧GB | PTO #421 | DNF — 2025 IRONMAN 70.3 Poznan |
| | 🇱🇻Latvia | — | 15th — 2025 Europe Triathlon Baltic Championships Otepää |
| | | PTO #653 | 36th — 2025 Copenhagen |
| | 🇨🇱Chile | — | 1st — 2025 Americas Triathlon Cup and Iberoamerican Championships Maldonado |
| | 🇪🇸Spain | — | 66th — 2024 Europe Triathlon Cup Ceuta |
| | 🇪🇸Spain | — | 35th — 2016 IRONMAN 70.3 Mallorca |
| | | — | 18th — 2023 TradeInn Full International Triathlon |
| | | PTO #240 | DNF — 2025 IRONMAN 70.3 Aracaju-Sergipe |
| | | — | 14th — 2016 Challenge "The Championship" Samorin |
| | 🇪🇸Spain | — | 19th — 2025 ESP Sprint Triathlon National Championships |
| | 🇫🇷France | — | 2nd — 2025 World Triathlon Cup Tongyeong |
| | | — | 9th — 2022 Challenge Malta |
| | | — | 21st — 2005 IRONMAN Austria |
| | 🇦🇳Individual Neutral Athlete | — | 2nd — 2017 NED Triathlon National Championships |
| | 🇵🇱Poland | — | — |
| | | — | DNF — 2021 IRONMAN 70.3 Andorra |
| | 🇫🇮FI | PTO #333 | DNF — 2025 World Triathlon Championship Series Karlovy Vary |
| | 🇲🇳Mongolia | — | — |
| | 🇵🇦Panama | — | 22nd — 2025 World Triathlon Development Regional Cup Limon |
| | 🇯🇵Japan | — | 3rd — 2025 Asia Triathlon Junior and U23 Championships Aqaba |
| | 🇮🇹Italy | — | 19th — 2025 World Triathlon Cup Rome |
| | 🇹🇷Turkey | — | — |
| | | — | 6th — 2022 11Tri Belgrade |
