Fiambala Desert Trail 50 Km Ultra Marathon

Race completed

50 km Distance

1,980 m Climbing

5.5 Grit · Challenging

27.6892° S, 67.6267° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 40 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 12 hours 14:24 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 69% of 50K races. Measured against 982 races of the same distance. Cut-off calculator →

Field size ~224 Large. Rarely out of sight of another runner.

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, May

Daytime high 17°C

Night low 2°C

Rainfall Dry — rain unlikely

Daylight 10 h 41 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 2512 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a mountain course. Expect fast, runnable sections where rhythm is key.

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 1,980 m of ascent.

Trail Running Shoes 40 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 1,980 m of ascent to walk up.
Headlamps A 12 h limit puts you out there after dark.