La Possession, La Reunion, France · Saturday, May 15, 2027

Fixed Distance 50K

Ultra Trail des Géants - Trail des Petrels

254 days away

46 km Distance

2,324 m Climbing

5.8 Grit · Challenging

20.9270° S, 55.3363° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 51 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 17 hours 22:10 min/km average. Generous. Walkable throughout for most of the field. Among the most forgiving 50K cut-offs we track. Measured against 982 races of the same distance. Cut-off calculator →

Field size ~864 Very large. Congested start, busy aid stations.

DUV results for the 2026 edition (46km) — 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 23°C

Night low 20°C

Rainfall Mostly dry

Daylight 11 h 08 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 533 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 46 km of trail with 2,324 m of ascent.

Trail Running Shoes 51 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 46 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 2,324 m of ascent to walk up.
Headlamps A 17 h limit puts you out there after dark.