Mantasoa, Madagascar · Saturday, May 9, 2026

Fixed Distance 50 mi

Semi Trail des Ô Plateaux

Race completed
70 km Distance
2,760 m Climbing
7.6 Grit · Hardcore

What the course asks

Climbing rate 39 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 17 hours 14:34 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 86% of 50 mi races. Measured against 455 races of the same distance. Cut-off calculator →
Field size ~40 Small. Long stretches with nobody in sight.

DUV results for the 2025 edition (70km) — 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 rolling 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 70 km of trail with 2,760 m of ascent.

All gear guides →

Course Notes

Mantasoa - Tana.

Similar races

Other 50 mi trail ultras, closest in distance first.