Trail Running100 Miles
La Diagonale des Fous
15 October 2026
Saint-Pierre, Corse, France
Race details
Modality
Individual
Organizer
Grand Raid
Distance
175 km
Elevation
+9,980 m
Participants
2,700
Capacity
3,000
Start time
21:00
Terrain
Trail
Difficulty
Elite
Course profile
Mountainous
Minimum age
18+
Certified
Yes
Circuit
Grand Raid
Event description
La Diagonale des Fous is a legendary 100-mile ultramarathon that traverses the rugged terrain of Reunion Island, featuring a staggering 9,980m of elevation gain. Known for its technical trails and breathtaking volcanic landscapes, it is widely considered one of the most difficult and prestigious races in the global trail running circuit.
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Sport
Trail Running
Distance
100 Miles
Country
France
Region
Corse