Full distance · 12 December 2026
Fodaxman Extreme Triathlon
Siderópolis, Brazil
The race at a glance
- Circuit
- XTRI
- Distance
- Full distance
- Terrain
- Extreme
- Swim
- 4 km
- Bike
- 176 km
- Run
- 39 km
- Date
- 12 Dec 2026
- Registration
- Closed
- Swim venue
- Reservoir
- Bike profile
- Hilly
- Bike elevation gain
- 3,850 m
- Run profile
- Hilly
- Run elevation gain
- 1,250 m
- Altitude
- 147 m
- First edition
- 2017
- Swim start
- Mass start
Edition history
| 2025 | Held | |
|---|---|---|
| 2024 | Held | |
| 2023 | Held | |
| 2022 | Held | |
| 2021 | Held | |
| 2019 | Held | |
| 2018 | Held | |
| 2017 | Held |
How the day is laid out
The swim is held in a reservoir. The wetsuit call is made on race morning, against the temperature measured then.
The organiser publishes 4 km of swimming, 176 km on the bike and 39 km of running.
Everyone starts the swim together, in a mass start.
The bike course is hilly, with about 3,850 m of climbing.
The run course is hilly, with about 1,250 m of climbing.
The race was first held in 2017.
This is an extreme triathlon: the course is chosen for its terrain and its climbing, not for speed, and self-sufficiency and a support crew are part of the rules.
Against the calendar
Where this race sits among the others
Ranks are computed across every race of the same distance.
Bike elevation gain
3850 m · median 3200 m
The 3rd hilliest of the 11 full-distance extreme races with a figure, across every circuit.
10
races of this distance pair a hilly bike with a hilly run, out of 14. 10 share the bike profile alone.
13
races across every distance fall in December, out of 354.
43
races are held in Latin America. 3 of them in the same month as this one.
Questions about this race
- When is Fodaxman Extreme Triathlon 2026?
- Fodaxman Extreme Triathlon is held on 12 December 2026 in Siderópolis, Brazil. Registration is closed.
- How hard is Fodaxman Extreme Triathlon?
- The bike course climbs about 3850 m, the 3rd hilliest of 11 full-distance races with a figure. The bike is labelled hilly and the run hilly.
Where to stay
Hotels and rentals around the race venue, for the nights around race day.
Suggested stay: 10 Dec 2026 to 13 Dec 2026
The map is provided by Stay22. Bookings are made with the provider.
Races of the same distance in the same region
- IRONMAN San Juan
San Juan, Argentina
- Date
- 1 Nov 2026
- Distance
- Full
- Country
- AR
- IRONMAN Cozumel
Cozumel, Mexico
- Date
- 22 Nov 2026
- Distance
- Full
- Country
- MX
- IRONMAN Valdivia
Valdivia, Chile
- Date
- 29 Nov 2026
- Distance
- Full
- Country
- CL
- Patagonman Xtreme Triathlon
Puerto Chacabuco, Chile
- Date
- 6 Dec 2026
- Distance
- Full, extreme
- Country
- CL
- Fodaxman Extreme Triathlon
Siderópolis, Brazil
- Date
- 12 Dec 2026
- Distance
- Full, extreme
- Country
- BR
- Chibchi Fisha XTRI
Tota, Colombia
- Date
- 30 Jan 2027
- Distance
- Full, extreme
- Country
- CO
- IRONMAN Brazil
Brazil
- Date
- 13 Jun 2027
- Distance
- Full
- Country
- BR
Entries are handled by the organiser
Registration and the athlete guide are on the official race page.