Diagonale des Fous 180km (Réunion, France) 2026
Also known as: Grand Raid de La Réunion · GRAND RAID RÉUNION · Grand Raid Reunion
The Grand Raid's flagship race, crossing Réunion Island from Saint-Pierre in the south to Saint-Denis in the north, starting at night through UNESCO-listed peaks and cirques. The 2026 route skips Cilaos, going via Hell-Bourg in the Salazie cirque before climbing to Maïdo. Poles are banned.
The course tops out at 2,476 m (low point 0 m). There are 4 big climbs: 2,057 m around 0–47 km; 881 m around 55–68 km; 1,115 m around 85–94 km; 1,459 m around 111–122 km. About 30% of the distance is gentle (under 5% grade). The median finish was about 51 h, through 3 nights.
Predict your finish from your ITRA index
Enter your ITRA performance index to get your finish time, aid-station splits and cutoff margins from the results of 20 finishers of this race — the same model as the TRAIL STATUS app. Nothing is saved or sent.
The app adds predictions from your training log (Strava), race-day pacing and more. Free, no sign-up.
Predict in detail from my Strava trainingOverview
- Date
- Thu, 15 Oct 2026
- Start
- 22:00
- Location
- Réunion (France)
- Distance
- 180.4 km
- Elevation gain
- 10,200 m
- Time limit
- 66h
- ITRA
- 100M · 6 points
- Official website
- www.grandraid-reunion.com/en/our-races/the-diagonale-des-fous-route
Elevation profile
Aid stations and cutoffs
| # | Distance | Aid station | Segment | Cutoff |
|---|---|---|---|---|
| 1 | 14 km | CP1 Domaine Vidot | 14 km | Day 2 01:303h 30m |
| 2 | 33.4 km | Aid 2CP2 Notre-Dame de la Paix（スープ） | 19.4 km | Day 2 07:009h |
| 3 | 45.4 km | Aid 3CP3 Nez de Bœuf（スープ） | 12 km | Day 2 10:3012h 30m |
| 4 | 55.6 km | Aid 4CP4 Mare à Boue（温かい食事） | 10.2 km | Day 2 13:0015h |
| 5 | 65.1 km | Aid 5CP5 Coteau Kerveguen（水のみ） | 9.5 km | — |
| 6 | 76.4 km | Aid 6CP7 Gîte de Bélouve（水のみ） | 11.3 km | — |
| 7 | 80.6 km | Aid 7BV1 Hell-Bourg（ベースライフ・温かい食事・ドロップバッグ） | 4.2 km | Day 3 01:0027h |
| 8 | 93.8 km | Aid 8CP8 Plaine des Merles（スープ） | 13.2 km | Day 3 06:0032h |
| 9 | 96 km | Aid 9CP9 Départ Sentier Scout（関門のみ・エイドなし） | 2.2 km | Day 3 07:0033h |
| 10 | 107.8 km | Aid 10CP10 Grand Place les Bas（スープ） | 11.8 km | Day 3 11:3037h 30m |
| 11 | 116.4 km | CP11 Roche Plate | 8.6 km | Day 3 16:3042h 30m |
| 12 | 123.9 km | Aid 12CP12 Maïdo Tête Dure（スープ） | 7.5 km | Day 3 20:3046h 30m |
| 13 | 140.5 km | Aid 13BV2 Ilet Savannah（ベースライフ・温かい食事・ドロップバッグ） | 16.6 km | Day 4 00:1550h 15m |
| 14 | 147.9 km | Aid 14CP13 Chemin Ratinaud（Kalla） | 7.4 km | Day 4 03:0053h |
| 15 | 155.1 km | Aid 15CP14 La Possession（スープ） | 7.2 km | Day 4 06:3056h 30m |
| 16 | 164.5 km | Aid 16CP15 Grande Chaloupe（スープ） | 9.4 km | Day 4 09:0059h |
| 17 | 173.8 km | Aid 17CP16 Colorado（スープ） | 9.3 km | Day 4 13:3063h 30m |
| F | 180.4 km | FinishFINISH La Redoute（サン・ドニ） | 6.6 km | Day 4 16:0066h |
The small figure under each cutoff is the time from the start. Day 1 is the day of the start.
2025 results
2,064 finishers. Finish times of those who finished:
- Fastest
- 23h 32m
- Top 10%
- 38h 56m
- Top 25%
- 44h 41m
- Median
- 50h 59m
- Top 75%
- 59h 1m
- Top 90%
- 62h 21m
- Last finisher
- 65h 59m
"Top 25%" means one in four finishers had crossed the line by this time.
Years with a different course or different cutoffs are not directly comparable.
Other races
- Trail de Bourbon 106km (Réunion, France) 2026Fri, 16 Oct 2026 · Réunion (France) · 106.2 km
From your training log, TRAIL STATUS estimates your finish time, aid-station splits and cutoff margins for this race.
Predict my raceCompiled from each race's official information. Details can change, so always check the race's official website for the latest. Spotted a mistake? Please tell us through the contact form.
TRAIL STATUS · FAQ · Privacy policy