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

Fixed Distance 50K

WTR Serra do Mar

66 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. Among the most forgiving 50K cut-offs we track. Measured against 1007 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.

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 Shoes67 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition50 km of self-supported fuelling between aid stations.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles3,333 m of ascent to walk up.
HeadlampsA 15 h limit puts you out there after dark.

Adidas