Petropolis, RJ, Brazil · Saturday, November 21, 2026

Fixed Distance 50K

WTR Serra do Mar

52 days away

50 km Distance

3,333 m Climbing

7.5 Grit · Hardcore

22.5050° S, 43.1786° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 67 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 15 hours 18:00 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 90% of 50K races. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~129 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, November

Daytime high 28°C

Night low 18°C

Rainfall Wet — expect rain

Daylight 13 h 16 m of light

Regional 2001-2020 average for November — NASA POWER, grid elevation 420 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50km	129	Cesar Henrique Goldner Picinin · 05:54:52	Christine Yvonne Spilka · 07:30:08
2025	49km	122	Alexandre Santiago · 04:39:56	Christine Yvonne Spilka · 05:40:13
2024	50km	96	Celio Augusto da Rosa · 04:25:28	Giovanna Martins · 05:18:27
2023	50km	38	Cesar Henrique Goldner Picinin · 05:14:44	Rosalia de Camargo Guarischi · 06:47:17
2022	50km	38	Cesar Henrique Goldner Picinin · 05:09:51	Giovanna Martins · 06:20:50

18% of the 2025 field were women.

DUV results for the 2025 edition (50km) — 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

⛰️ terrain

This is a mountain course. Poles are highly recommended for the sustained climbs.

By UltraHub Expert

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 50 km of trail with 3,333 m of ascent.

Trail Running Shoes 67 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 3,333 m of ascent to walk up.
Headlamps A 15 h limit puts you out there after dark.

Adidas

Terrex Agravic Speed Ultra

RunRepeat found the Adidas Terrex Agravic Speed Ultra to be perfect for midfoot and forefoot strikers, while iRunFar noted that the shoe feels incredibly effici…

★★★★★ 4.5

Adidas

Terrex Speed Ultra

RunRepeat found the Adidas Terrex Speed Ultra to have a grippy outsole and great lockdown, while iRunFar noted that the shoe works on a variety of trail conditi…

★★★★★ 4.5

Spring Energy