Chui, RS, Brazil · Friday, November 20, 2026
Extremo Sul Ultramarathon
Calculated from 226 km alone — the organiser has not published an elevation profile. Read 10.0 as a floor, not a verdict.
What the course asks
DUV results for the 2025 edition (226km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, November
Regional 2001-2020 average for November — NASA POWER, grid elevation 13 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 226km | 54 | Valmor Fiamoncini · 28:29:00 | Isadora Soares · 35:13:00 |
| 2024 | 226km | 22 | Jonathan Reis Dos Santos · 34:35:00 | Justine Houteer Magni · 41:43:00 |
| 2023 | 226km | 23 | Murilo Cesar Sola · 33:20:00 | Isadora Soares · 46:14:00 |
| 2022 | 226km | 19 | Geovane Griesang · 33:20:00 | Lucinara Luchese Guerreiro · 38:07:00 |
| 2021 | 226km | 19 | Vitor M. Rodrigues · 27:00:00 | Mara Lucia da Silva · 48:48:00 |
| 2019 | 226km | 24 | Joao Felisbino Pereira Oliveira · 27:45:00 | Ivonete Loes Wild · 33:50:00 |
| 2018 | 226km | 11 | Alexsandro Alves · 35:25:23 | Ivonete Loes Wild · 40:00:03 |
| 2017 | 226km | 16 | Angelo Antonio Benitez Guimaraes · 30:50:00 | Gabriela Sofia Segovia · 49:55:00 |
| 2016 | 226km | 26 | Joao Claudio Schena · 29:25:00 | Cleide Silva de Araujo Marques · 37:19:00 |
| 2015 | 226km | 17 | Anibal Lavandeira · 33:52:02 | Andreia Cristina Coelho · 40:45:33 |
The field grew 145% between 2024 (22) and 2025 (54). 28% of the 2025 field were women.
DUV results for the 2025 edition (226km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
The Aid Station
Course-specific beta from the community
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Gear for this race
Chosen for 226 km of trail.
- Trail Running Shoes 226 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition Past 226 km the palate quits before the legs do — carry more than one flavour.
- Hydration Vests Flask capacity for 226 km, without the bounce.
- Headlamps A 54 h limit puts you out there after dark.
- Accessories Chafe and blisters end more 226 km races than fitness does.
Overview
The Extremo Sul Ultramarathon, a 226km trail race in Chui, RS, Brazil, has been organised by Horizontes - Turismo Desportivo since 2015. With 10 past editions, the race takes runners along immense sandy beaches on a tremendous sandy plain, between sand and sea. The course can seem endless, in an inhospitable and climatically unstable place of enormous contrasts.
This 226km race has a field size bigger than 91% of 200-mile+ races, placing it among the largest in its peer group of 22 such events. Its 54-hour time limit results in a 14.3 minutes per kilometre cutoff pace, which is tighter than 47% of 200-mile+ races. The entry fee is 2.250 R$.
Similar races
Other 200 mi + trail ultras, closest in distance first.