Ultra Running Hub Resende, RJ, Brazil · Saturday, June 27, 2026
Fixed Distance 50 mi
WTR Agulhas Negras
Race completed
75 km Distance
3,977 m Climbing
9.7 Grit · Elite / extreme
What the course asks
Climbing rate 53 m / km
Mountain. Significant climbing. Steep sections will require power hiking.
Time limit 17 hours
13:36 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 81% of 50 mi races. Measured against 455 races of the same distance. Cut-off calculator →
Field size ~51 Small. Long stretches with nobody in sight.
DUV results for the 2026 edition (75km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, June
Daytime high 22°C
Night low 12°C
Rainfall Mostly dry
Daylight 10 h 46 m of light
Regional 2001-2020 average for June — NASA POWER, grid elevation 824 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a mountain course. Poles are highly recommended for the sustained climbs.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 75 km of trail with 3,977 m of ascent.
- Trail Running Shoes53 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition75 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles3,977 m of ascent to walk up.
- HeadlampsA 17 h limit puts you out there after dark.
Similar races
Other 50 mi trail ultras, closest in distance first.