Course map, elevation profile & surface
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Follow the route over 3D terrain, kilometre by kilometre.
Race-day light
For a 7:35 finish (an estimate) · starting 07:00 9 Jul. Dark means the sun below civil twilight.
Climbs
7 climbs · 3,122 m totalbiggest firstConditions typical race-day weather for 9 Jul at the start
Typical = the median of 2016–2025 for 9 Jul ±3 days at the start line; a wet day has 1 mm of rain or more. Historical weather from Open-Meteo.
Race almanac 5 years of this race
Past editions
Race-day highs at the start ran from 20° to 29°C, and none of 5 race days was wet.
| Year | Start °C | High point °C | Rain | Wind | Heat index |
|---|---|---|---|---|---|
| 2025 Jul 9 | 22°/4° | 8°/-6° | dry | 11km/h | — |
| 2024 Aug 9 | 29°/13° | 17°/4° | dry | 10km/h | 28° |
| 2023 Sep 10 | 27°/10° | 16°/2° | dry | 7km/h | — |
| 2022 Sep 11 | 23°/4° | 11°/-4° | dry | 7km/h | — |
| 2021 Sep 12 | 20°/7° | 10°/-3° | dry | 7km/h | — |
race-day weather from the Open-Meteo historical archive (ERA5) at the start line and the course high point (2,859 m).
Reviews what runners who have been there say
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About this course
Serre Che Trail - Marathon des Cerces 45K — 2025 covers 45.1 km (28.0 mi) with 3,219 m (10,561 ft) of elevation gain. That is about 71 m per km of climbing, and 3,219 m of descent. The course tops out at 2,859 m and bottoms out at 1,463 m. The profile has 7 sustained climbs; the biggest is the climb from km 0.1, +712 m over 4.8 km at 15.0% on average (steepest stretch 38%). Race day is 9 July 2025, starting at 07:00; the sun rises at 05:57 and sets at 21:22. Typical race-day weather at the start: a high of 24°C and a low of 11°C, with a 31% 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
Races like this one close in distance, climbing, terrain, altitude, weather and season
- Speedgoat Mountain Races 50K — 2026Jul · 51 km · 72 m/kmSimilar climbing · Similar weather · Same distance
- White Pine Solstice Runs — 2026Jun · 55 km · 72 m/kmSimilar climbing · Similar weather · High altitude
- Matterhorn Ultraks Sky 49K — 2027Aug · 49 km · 75 m/kmSame distance · High altitude · Similar climbing
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