Trail de Bourbon (Réunion, France) 2027
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Also known as: GRAND RAID RÉUNION TRAIL DE BOURBON
A point-to-point that starts in the enclosed Cilaos cirque in the heart of Réunion and crosses the island's rugged mountains through the night to the capital, Saint-Denis. Part of the Grand Raid, it is billed as the stepping stone to the Diagonale des Fous. Poles are not allowed.
The course tops out at 2,079 m (low point 3 m). There are 4 big climbs: 872 m around 0–11 km; 1,482 m around 36–47 km; 616 m around 66–71 km; 714 m around 90–99 km. Only about 20% is gentle (under 5% grade); most of it is climbing or descending. In 2025, 83% of starters finished. The median finish was about 29 h, through 2 nights.
Predict your finish from your ITRA index
How the prediction works
Enter your ITRA performance index to get your finish time, aid-station splits and cutoff margins from the results of 58 finishers of this race — the same model as the TRAIL STATUS app. Nothing is saved automatically 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
- Fri, 15 Oct 2027
- Start
- 20:00
- Location
- Réunion (France)
- Distance
- 106.2 km
- Elevation gain
- 6,252 m
- Time limit
- 42h
- ITRA
- 100K · 5 points
- Official website
- www.grandraid-reunion.com
Elevation profile
Aid stations and cutoffs
| # | Distance | Aid station | Segment | Cutoff |
|---|---|---|---|---|
| 1 | 12.7 km | Aid 1Marla（スープ） | 12.7 km | — |
| 2 | 19.3 km | Aid 2Plaine des Merles（スープ） | 6.6 km | Day 2 03:307h 30m |
| 3 | 21.4 km | Aid 3Début Sentier Scout（関門のみ・エイドなし） | 2.1 km | Day 2 04:308h 30m |
| 4 | 32.8 km | Aid 4Grand Place les Bas（スープ） | 11.4 km | Day 2 08:3012h 30m |
| 5 | 41.1 km | Aid 5Roche Plate（スープ） | 8.3 km | — |
| 6 | 48.7 km | Aid 6Maïdo Tête Dure（スープ） | 7.6 km | Day 2 17:4521h 45m |
| 7 | 65.4 km | Aid 7Ilet Savannah（ベースライフ・温かい食事・ドロップバッグ） | 16.7 km | Day 2 21:3025h 30m |
| 8 | 72.9 km | Aid 8Chemin Ratinaud（Kalla） | 7.5 km | Day 3 00:3028h 30m |
| 9 | 80.3 km | Aid 9La Possession（スープ） | 7.4 km | Day 3 03:3031h 30m |
| 10 | 89.6 km | Aid 10Grande Chaloupe（スープ） | 9.3 km | Day 3 06:3034h 30m |
| 11 | 99 km | Aid 11Colorado（スープ） | 9.4 km | Day 3 11:1539h 15m |
| F | 106.2 km | FinishFINISH La Redoute（サン・ドニ） | 7.2 km | Day 3 14:0042h |
The small figure under each cutoff is the time from the start. Day 1 is the day of the start.
2025 results
1,230 starters, 1,018 finishers (82.8% finish rate). Finish times of those who finished:
- Fastest
- 13h 38m
- Top 10%
- 20h 42m
- Top 25%
- 23h 58m
- Median
- 28h 34m
- Top 75%
- 33h 58m
- Top 90%
- 37h 11m
- Last finisher
- 41h 49m
"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
- Diagonale des Fous 180km (Réunion, France) 2026Thu, 15 Oct 2026 · Réunion (France) · 180.4 km
- Diagonale des Fous 180km (Réunion, France) 2027Thu, 14 Oct 2027 · Réunion (France) · 180.4 km
- 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.
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Points to consider for this course
- The overall time limit allows about 23:44/km including stops. This average does not guarantee meeting intermediate cutoffs.
- The longest gap between recorded points, including the start, is about 16.7 km (48.7–65.4 km). This does not list every water source.
- Read the recorded profile alongside the cutoffs. Terrain, weather and your condition can change travel time.
These are simple calculations and observations from recorded information, not personal finish probabilities or difficulty ratings.
Other editions of the same race and distance
Recorded editions match by name, official domain, format and distance range. Results and courses across editions may not be directly comparable. Check the organizer for the latest schedule.
- Trail de Bourbon 106km (Réunion, France) 2026 · 2026-10-16Compared recorded values match.
Results and official information
Historical field finish rates differ from your personal prediction. This is not a live results service; check official announcements for results and changes.
Check rules and results on the official siteInformation checked: 2026-10-02