Trail Verbier St-Bernard by UTMB - X-Traversée - Elevation Profile, Aid Stations and Cutoffs
- La Fouly, Switzerland
- 77 km
- 5,100 m D+
- 9 aid stations
Map, profile and checkpoints Map · checkpoints · forecast opens Jul 1 Race-day forecast is live
Race-day conditions
Weather, daylight and your arrival time at all 11 checkpoints, set to the 09:00 start.
- Start
- 09:00
- Daylight at the start
- 05:50-21:22
- Aid stations
- 9
Course profile
La Fouly, Switzerland
- Distance
- 77 km Finishes 108 m lower than it starts
- Elevation
- +5,100 m -5,208 m About 66 m of climb per km
- Highest point
- 2,714 m Col des Chevaux
Next edition Est. Sat 10 Jul 2027
Our estimate for Sat 10 Jul 2027. The organiser has not announced the date for this race yet.
- Start
- Winner ~8h42 8h42 after the start
- Sunset 12h23 after the start
- Mid-pack finish UTMB Index 500 17h28 after the start
- Sunrise 20h51 after the start
- Cutoff 26h after the start
A mid-pack runner spends about 5h05 in the dark.
Trail Verbier St-Bernard by UTMB - X-Traversée is a 77 km ultra-trail with around 5,100 m of elevation gain, starting in La Fouly, Switzerland. The overall cutoff is 26 hours. The highest point on the course is Col des Chevaux at 2,714 m. That is 66 m of climbing per kilometre. Verbier X has 4 races, from 43 to 140.3 km; this one ranks 2 of 4 by distance and 2 of 4 by climbing per kilometre.
The biggest climb between checkpoints gains around 1,209 m from Lourtier (km 64.4) to La Chaux (km 70.4). The steepest sustained section on the elevation profile averages about 31% over roughly 2.1 km around km 67. Crew access is allowed at Col des Chevaux (14.9 km), Bourg-St-Pierre (26.8 km), Cabane Brunet (46.3 km), Lourtier (64.4 km) and La Chaux (70.4 km).
Data is approximate and courses change between editions - always verify against the official race guide.
Other distances at Verbier X
| Race | Distance | D+ | Cutoff | Next start |
|---|---|---|---|---|
| Verbier X-Alpine | 140.3 km | 9,127 m | 41h30 | Jul 9, 2027 |
| Verbier X-Traversée (this page) | 77 km | 5,100 m | 26h00 | Jul 10, 2027 (est.) |
| Verbier Marathon | 47 km | 2,900 m | 14h00 | Jul 9, 2027 |
| Verbier Marathon X-Treme | 43 km | 3,000 m | 13h30 | Jul 9, 2027 |
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Course math
Four numbers worked out from this course's distance, elevation and checkpoints.
TrailMath effort-km
154 effort-km
About 17 h for a mid-pack finisher (index 500). Not a pacing guarantee.
Distance + gain ÷ 100 + loss ÷ 200, beside ITRA's gain-only km-effort. Model TM1.0.
How TrailMath works →UTMB Index category
100K
128 km-effort (distance + gain ÷ 100). Calculated from the course figures, not an official classification.
Estimate your UTMB Index →Biggest climb section
+1,209 m
Lourtier → La Chaux · km 64.4–70.4
The largest gain between two checkpoints, not one continuous climb.
Biggest descent section
−1,580 m
Cabane Panossière → Lourtier · km 53.2–64.4
The largest loss between two checkpoints. ITRA's km-effort ignores descent; TrailMath counts it: 154 km-effort.
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~39 weeks · peak ~8 h/week · 5 run + 2 strength days
For a 77 km race, aim for about 11 h/week at peak. Set your availability to 13 h/week in the app for the headroom to build there gradually.
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Aid stations and checkpoints
| Checkpoint | Km | Cumulative gain (m) | Cumulative loss (m) |
|---|---|---|---|
| Start - La Fouly Services not published | 0 | 0 | 0 |
| Col Fenêtre | 9.4 | 1,103 | 9 |
| Col du Grand-Saint-Bernard | 12.7 | 1,246 | 377 |
| Col des Chevaux Crew | 14.9 | 1,506 | 394 |
| Bourg-St-Pierre Crew | 26.8 | 1,681 | 1,660 |
| Cabane de Mille | 38.6 | 2,782 | 1,905 |
| Cabane Brunet Crew | 46.3 | 3,056 | 2,556 |
| Cabane Panossière | 53.2 | 3,789 | 2,749 |
| Lourtier Crew | 64.4 | 3,813 | 4,329 |
| La Chaux Crew | 70.4 | 5,022 | 4,357 |
| Verbier (Finish) Crew Drop bag | 77 | 5,100 | 5,208 |
Data is approximate and courses change between editions - always verify against the official race guide. Source: official race guide, verified July 17, 2026 - Official race website
FAQ
How much elevation gain does Trail Verbier St-Bernard by UTMB - X-Traversée have?
Trail Verbier St-Bernard by UTMB - X-Traversée has around 5,100 m of cumulative elevation gain and 5,208 m of loss over 77 km.
What is the cutoff time for Trail Verbier St-Bernard by UTMB - X-Traversée?
The overall Trail Verbier St-Bernard by UTMB - X-Traversée cutoff is 26 hours, with intermediate time barriers at major checkpoints. Winning times are typically around 9 hours.
How long is Trail Verbier St-Bernard by UTMB - X-Traversée?
Trail Verbier St-Bernard by UTMB - X-Traversée covers approximately 77 km, starting in La Fouly, Switzerland.
What is the highest point of Trail Verbier St-Bernard by UTMB - X-Traversée?
The highest point of Trail Verbier St-Bernard by UTMB - X-Traversée is Col des Chevaux at 2,714 m.
How many aid stations does Trail Verbier St-Bernard by UTMB - X-Traversée have and which allow crew?
The checkpoint table lists 9 major aid points between the start and the finish. Crew access is allowed at Col des Chevaux (14.9 km), Bourg-St-Pierre (26.8 km), Cabane Brunet (46.3 km), Lourtier (64.4 km) and La Chaux (70.4 km).
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