180 kmTrail🇷🇪 Saint-Pierre, Réunion

Grand Raid Réunion - La Diagonale des Fous

Thursday, 15 October 2026In 4 days · Start 22:00

The legendary 'Madmen's Diagonal' crosses Réunion Island from Saint-Pierre to Saint-Denis through the volcanic cirques of Cilaos and Mafate on brutally technical, rooty and rocky trails.

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Facts checked 10 Oct 2026 against grandraid-reunion.com, grandraid-reunion.com.

Elevation gain

10,200 m

Mountain · ↓ 10,200 m

Start altitude

16 m

above sea level, from terrain data

Temp at start

—

No data

Entry fee

≈ $300

Qualifying time

Finishers

—

typical year

Course

Point to point

66h cut-off

Getting thereFly into ZSE (Saint-Pierre), about 6 km from the start

Course map

A detailed route is not available for this race yet. The marker shows the race location.

Elevation profile

Mountain: about 10,200 m of climbing and 10,200 m of descent. A detailed profile isn’t available for this race yet.

Race-day weather

No weather data yet.

What time could you run here?Adjust your goal time for this course’s hills and typical race-day weather.Race time calculator →

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<a href="https://irun42.com/race/diagonale-des-fous" title="Grand Raid Réunion - La Diagonale des Fous on iRun42"><img src="https://irun42.com/badge/diagonale-des-fous.svg" width="300" height="120" alt="Grand Raid Réunion - La Diagonale des Fous: course, elevation and race-day weather on iRun42" /></a>