Diagonale des Fous
The legendary diagonal crossing of La Réunion island from south to north, traversing volcanic cirques and tropical forests in one of the world's most gruelling and scenic ultras.
Course Type
Point-to-point
Elevation Gain
10200m
Typical Weather
Tropical highland, 10-28°C (50-82°F), humid, possible rain in mountains
What Makes This Race Special
- 180km island diagonal crossing
- 10,200m elevation gain
- Volcanic cirques of La Réunion
- Tropical mountain terrain
- Part of the Grand Raid de La Réunion
- New 2026 route through Salazie cirque