Verbier Marathon X-Treme Finish Time Predictor
Verbier Marathon X-Treme race stats pre-loaded (43 km, 3,000 m D+). Enter a known race result to get an elevation-adjusted finish time estimate.
1. Your race
2. How should we estimate you?
3. Your predicted finish
73.0 km-effort (ITRA, gain only)89.1 km-effort
Add a past race or your index to get a finish time.
Verbier Marathon X-Treme finish times by UTMB Index
Predicted finish on the Verbier Marathon X-Treme course (43.0 km, 3,000 m D+) for each UTMB Index, with the margin to the 13h30 cutoff.
| UTMB Index | Predicted finish | Average pace | Margin to cutoff |
|---|---|---|---|
| 850 | 4h30 | 6:16 /km | +9h00 |
| 800 | 4h55 | 6:51 /km | +8h35 |
| 750 | 5h22 | 7:30 /km | +8h08 |
| 700competitive | 5h52 | 8:12 /km | +7h38 |
| 650 | 6h25 | 8:57 /km | +7h05 |
| 600 | 7h01 | 9:47 /km | +6h29 |
| 550 | 7h40 | 10:42 /km | +5h50 |
| 500mid-pack | 8h23 | 11:42 /km | +5h07 |
| 450 | 9h10 | 12:47 /km | +4h20 |
| 400back of the pack | 10h01 | 13:59 /km | +3h29 |
| 350 | 10h57 | 15:17 /km | +2h33 |
| 300 | 11h58 | 16:42 /km | +1h32 |
The 13h30 cutoff sits at about Index 232. The typical winning time, 4h27, sits at about Index 856. At the 2026 edition, the median of the 1,384 finishers took 8h49, about Index 472. A model estimate, not an official ITRA or UTMB figure.
From a result you already have
What the predictor gives on Verbier Marathon X-Treme for a few common reference results.
| Road marathon | 3h00 → 7h30 | 3h30 → 8h44 | 4h00 → 9h59 | 4h30 → 11h14 |
|---|---|---|---|---|
| 50 km trail, 2,000 m D+ | 5h30 → 6h11 | 6h30 → 7h19 | 7h30 → 8h26 | 8h30 → 9h33 |
Road marathons use the tool's rougher power-law fallback.
For arrival times at each checkpoint, use the Verbier Marathon X-Treme aid station planner.
Verbier Marathon X-Treme course in numbers
- Climbing per km
- 70 m
- ITRA km-effort
- 73 (50K)
- Highest point
- 3,084 m
- Biggest climb
- +732 m over 6.7 km at 10.9% (from Start - Moay (Bruson))
- Steepest climb
- +403 m over 1.6 km at 25.5%
- Longest descent
- -1,589 m over 11.8 km at 13.4% (Cabane de Panossière to Lourtier)
- Track climbing above 3%
- 44%
- Winning time / cutoff
- 4h27 / 13h30 (3x the winner's time)
Section-by-section climbs, descents and grades are on the Verbier Marathon X-Treme course page.
Predict your Verbier Marathon X-Treme finish time from a reference race result, adjusted for the course's 43 km and roughly 3,000 m of elevation gain. The overall cutoff is 13h30.
About Trail Verbier St-Bernard by UTMB - Verbier Marathon X-Treme
Trail Verbier St-Bernard by UTMB - Verbier Marathon X-Treme covers 43 km with around 3,000 m of elevation gain, starting in Moay (Bruson), Switzerland. The overall cutoff is 13 hours 30 minutes.
Crew access is allowed at Pindin (15.832 km) and Lourtier (33.474 km).
Checkpoint data approximate - verify against the current official race guide at verbier.utmb.world before your race.
How the prediction works
Your result becomes a UTMB Index, mapped onto Verbier Marathon X-Treme by the calibrated model behind the ITRA / UTMB Index Estimator. Full methodology.
Build a training plan targeted at your Verbier Marathon X-Treme goal time
TrailMath uses these models to build periodized plans adjusted to your goals and terrain.
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