UTMB Mont-Blanc UTMB 2026
Also known as: HOKA UTMB MONT-BLANC · UTMB®
First run in 2003, this race circles the Mont Blanc massif from Chamonix through France, Italy and Switzerland, passing Courmayeur and Champex-Lac. It is the 100M final of the UTMB World Series.
The course tops out at 2,527 m (low point 807 m). There are 4 big climbs: 1,680 m around 23–47 km; 965 m around 52–63 km; 890 m around 82–96 km; 984 m around 124–138 km. About 30% of the distance is gentle (under 5% grade). The median finish was about 38 h, through 2 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 19 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
- Fri, 28 Aug 2026
- Start
- 19:45
- Location
- France
- Distance
- 174 km
- Elevation gain
- 9,700 m
- Time limit
- 45h 30m
- ITRA
- 100M
- Official website
- montblanc.utmb.world/races/utmb
Elevation profile
Aid stations and cutoffs
| # | Distance | Aid station | Segment | Cutoff |
|---|---|---|---|---|
| 1 | 22.9 km | Saint-Gervais | 22.9 km | Day 2 00:004h 15m |
| 2 | 32.4 km | Les Contamines Montjoie | 9.6 km | Day 2 02:006h 15m |
| 3 | 41.1 km | Aid 3La Balme（関門のみ・エイドなし） | 8.7 km | Day 2 04:008h 15m |
| 4 | 52.2 km | Aid 4Les Chapieux（温かい食事） | 11.1 km | Day 2 07:1511h 30m |
| 5 | 67.8 km | Lac Combal | 15.7 km | Day 2 11:0015h 15m |
| 6 | 76.4 km | Aid 6Checrouit - Maison Vieille（水のみ） | 8.6 km | — |
| 7 | 81.3 km | Aid 7Courmayeur Sport Center（温かい食事・ドロップバッグ） | 4.9 km | — |
| 8 | 86.6 km | Aid 8Refuge Bertone（水のみ） | 5.3 km | — |
| 9 | 99.4 km | Arnouvaz | 12.8 km | Day 2 19:1523h 30m |
| 10 | 114 km | La Fouly | 14.5 km | Day 2 23:4528h |
| 11 | 127.5 km | Aid 11Champex-Lac（温かい食事・ドロップバッグ） | 13.5 km | — |
| 12 | 144 km | Trient | 16.5 km | Day 3 09:0037h 15m |
| 13 | 155.3 km | Vallorcine | 11.3 km | — |
| 14 | 166.6 km | Aid 14La Flégère（水のみ） | 11.3 km | Day 3 15:4544h |
| F | 174 km | FINISH Chamonix | 7.4 km | Day 3 17:1545h 30m |
The small figure under each cutoff is the time from the start. Day 1 is the day of the start.
2026 results
1,664 finishers. Finish times of those who finished:
- Fastest
- 18h 16m
- Top 10%
- 26h 44m
- Top 25%
- 32h 17m
- Median
- 38h 5m
- Top 75%
- 42h 19m
- Top 90%
- 44h 23m
- Last finisher
- 45h 30m
"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
- Grand Raid des Pyrénées Ultra Tour 160K (Pyrenees, France) 2026Fri, 21 Aug 2026 · France · 165.5 km
- Marathon du Mont-Blanc 42km (Chamonix, France) 2026Sun, 28 Jun 2026 · France · 42 km
- Marathon du Mont-Blanc 42km (Chamonix, France) 2027Sun, 27 Jun 2027 · France · 42 km
- Grand Trail du Lac 74 km 2026Sun, 18 Oct 2026 · France · 74 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.
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