| Name | Country | Rank | Recent Race | |
|---|---|---|---|---|
OD | Oliver Duffield | 🇬🇧Great britain | — | 11th — 2024 ITA Sprint Triathlon National Championships |
 | Oliver Freeman | 🇬🇧Great britain | — | DQ — 2010 Dextro Energy Triathlon - ITU Triathlon World Championship Grand Final Budapest |
OG | Oliver Gonz?lez Miranda | 🇲🇽Mexico | — | 28th — 2021 IRONMAN Cozumel |
OG | Oliver Gonzalez | 🇲🇽Mexico | — | 25th — 2016 Ixtapa CAMTRI Sprint Triathlon American Cup |
OG | Oliver Gonzalez Miranda | 🇲🇽Mexico | — | 28th — 2021 IRONMAN Cozumel |
 | Oliver Gorges | 🇱🇺Luxembourg | — | 41st — 2022 IRONMAN 70.3 Jesolo |
| 🇪🇪Estonia | — | 12th — 2023 EST Sprint Triathlon National Championships | ||
| 🇬🇧Great britain | — | 21st — 2024 GBR Sprint Triathlon National Championships | ||
| — | DNS — 2022 Triathlon Royan | |||
| 🇩🇰Denmark | — | 23rd — 2026 Africa Triathlon Cup El Galala | ||
| 🇦🇹Austria | — | 8th — 2024 Africa Triathlon Premium Cup Nelson Mandela Bay | ||
| 🇵🇪Peru | — | DNF — 2015 Lima CAMTRI Triathlon American Cup and Bolivarian Championships | ||
| 🇳🇿New zealand | — | 30th — 2025 Oceania Triathlon Super-Sprint Championships Runaway Bay | ||
| 🇩🇰Denmark | — | DNF — 2025 Trumer Triathlon | ||
| 🇬🇧Great britain | — | 23rd — 2024 GBR Sprint Triathlon National Championships | ||
| 🇳🇴Norway | — | DNF — 2023 NOR Triathlon National Championships | ||
| 🇦🇺Australia | — | 38th — 2025 World Triathlon Championship Finals Wollongong | ||
| 🇩🇪Germany | — | 59th — 2023 GER Sprint Triathlon National Championships | ||
| 🇭🇺Hungary | — | — | ||
| 🇳🇿New Zealand | — | 14th — 2008 IRONMAN New Zealand | ||
| 🇩🇪Germany | — | 50th — 1994 Sion ITU Triathlon World Cup | ||
| 🇸🇪Sweden | — | 18th — 2014 SWE Sprint Triathlon National Championships | ||
| 🇬🇧Great britain | — | DNF — 2016 IRONMAN Barcelona | ||
| 🇵🇾Paraguay | — | DNF — 2025 Asuncion Junior Pan-American Games | ||
| 🇩🇰Denmark | — | 33rd — 2025 Africa Triathlon Cup and Pan-Arab Championships Hurghada | ||
| 🇧🇧Barbados | — | 8th — 2024 BAR Sprint Triathlon National Championships | ||
| 🇬🇧Great britain | — | 40th — 2010 Karlovy Vary ITU Triathlon European Cup | ||
| 🇦🇹Austria | — | 30th — 2022 AUT Long Distance Triathlon National Championships | ||
| 🇱🇻Latvia | — | 23rd — 2024 LAT Sprint Triathlon National Championships | ||
| 🇿🇼Zimbabwe | — | — | ||
| 🇳🇿New zealand | — | 20th — 2024 Asia Triathlon Cup Wuxi | ||
| 🇭🇺Hungary | — | 12th — 2022 FIN Triathlon National Championships | ||
| 🇺🇸United states | — | 30th — 2024 Americas Triathlon Cup Magog | ||
| 🇺🇸United states | — | 46th — 2021 Americas Triathlon Cup Long Beach | ||
| 🇬🇧Great britain | — | 16th — 2021 GBR Sprint Triathlon National championships | ||
| 🇬🇧Great britain | — | 12th — 2021 GBR Sprint Triathlon National championships | ||
| 🇬🇧Great britain | — | 26th — 2025 WTCS Wollongong | ||
| 🇮🇪Ireland | — | 13th — 2023 JPN Middle Distance Triathlon National Championships | ||
| 🇬🇧Great britain | — | 3rd — 2023 IRONMAN Portugal | ||
| 🇮🇪Ireland | — | 10th — 2021 IRL Sprint Triathlon National Championships | ||
| 🇮🇪Ireland | — | 9th — 2017 POL Triathlon National Championships | ||
| 🇳🇿New zealand | — | 3rd — 2018 NZL Triathlon National Championships | ||
| 🇳🇿New zealand | — | 22nd — 2024 Oceania Triathlon Cup Wanaka | ||
| 🇦🇺Australia | — | 27th — 2019 Gold Coast OTU Sprint Triathlon Oceania Cup | ||
| 🇳🇿New zealand | — | 18th — 2024 World Triathlon Cup Wollongong | ||
| — | 20th — 2022 TradeInn Full International Triathlon | |||
| 🇨🇭Switzerland | — | 2nd — 2005 IRONMAN Switzerland | ||
| 🇧🇪Belgium | — | 25th — 2014 BEL Triathlon National Championships |
