Course map, elevation profile & surface
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Race-day light
For a 19:10 finish (an estimate) · starting 07:00 17 Jul · headlamp km 91–the finish. Dark means the sun below civil twilight.
Climbs
15 climbs · 7,218 m totalbiggest firstConditions typical race-day weather for 17 Jul at the start
Typical = the median of 2016–2025 for 17 Jul ±3 days at the start line; a wet day has 1 mm of rain or more. Historical weather from Open-Meteo.
Race almanac 2 years of this race
Past editions
Race-day highs at the start ran from 33° to 34°C, and 1 of 2 race days were wet.
| Year | Start °C | High point °C | Rain | Wind | Heat index |
|---|---|---|---|---|---|
| 2026 Jul 17 | 33°/21° | 11°/0° | 3.3mm | 10km/h | 31° |
| 2025 Jul 18 | 34°/15° | 8°/-3° | dry | 11km/h | 32° |
race-day weather from the Open-Meteo historical archive (ERA5) at the start line and the course high point (2,990 m).
Reviews what runners who have been there say
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About this course
Monterosa Walser Waeg by UTMB 122K — 2026 covers 117.9 km (73.2 mi) with 8,097 m (26,564 ft) of elevation gain. That is about 69 m per km of climbing, and 7,296 m of descent. The course tops out at 2,991 m and bottoms out at 579 m. The profile has 15 sustained climbs; the biggest is the climb from km 0.0, +1,796 m over 15.5 km at 11.6% on average (steepest stretch 37%). Race day is 17 July 2026, starting at 07:00; the sun rises at 05:58 and sets at 21:17. Typical race-day weather at the start: a high of 30°C and a low of 18°C, with a 26% chance of a wet day. The interactive map above shows the full route with its elevation profile and aid stations, built from the course's GPS file.
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Course history
- Oct 13, 2026Added to the catalog
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