Chaumont-en-Vexin - 24km 2026
Forecast published: 41°F feels-like at the coldest, 55°F at the warmest, no notable rain.
Here you'll find the elevation profile and an estimated finish time based on your UTMB Index.
What's your time based on your UTMB?
Times estimated by the RAVIT model, learned from real ultra-trail finish times. Enter your UTMB Index (utmb.world) to get a personalized estimate.
Cut-off times and crew - Chaumont-en-Vexin - 24km · 2026
| Aid station | Cum. km | Cum. D+ | Seg. km | Seg. D+ | Seg. D- | Crew | Cut-off | Access |
|---|---|---|---|---|---|---|---|---|
| Arrivée | 23.3 | 451 m | 23.3 | 451 m | 447 m | — | — | — |
Data from the official race rules, checked for every edition. The race rules prevail. Positions are interpolated along the GPX track and are a guide, not official course marking.
What you'll find at each aid station
Aid station contents not documented.
Elevation profile
The course and its aid stations
Other trails worth preparing for
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- Festival Des Templiers - Vo2 Trail17 km · 707 m D+ · October 17, 2026
- Salomon EcoTrail Paris - Automne - Trail 20km20 km · 136 m D+ · October 17, 2026
- Les Riceys - 34km34 km · 1,217 m D+ · October 17, 2026
- Le Foeil - 20km19 km · 388 m D+ · October 17, 2026
- Morlaàs - Trail des Fors18 km · 470 m D+ · October 17, 2026
Sources and method
- Time projection — for lack of results on this race, times by UTMB Index rely on a Riegel law whose exponent is adjusted to elevation gain — the model's fallback, not its usual method. Peter Riegel (Wikipedia)
- Trail nutrition — hourly targets for carbohydrate, fluid and sodium follow the commonly accepted ultra-endurance guidance. La Clinique du Coureur — Fuelling in trail running
- Course, aid stations and cut-offs — taken from the event's official rules, which prevail in case of any discrepancy. Official site — Chaumont-en-Vexin - 24km
Weather for Chaumont-en-Vexin - 24km
Section-by-section forecasts for Chaumont-en-Vexin - 24km, calculated at the estimated passing time: feels-like temperature, rain or snow, wind and thunderstorms. Three models — AROME (Météo-France), ICON (DWD) and ECMWF IFS — served from the finest to the farthest-reaching.
Forecasts for a 600 UTMB Index runner, at their estimated passage time. Start Mon, 10/12 10:00 AM: Hazy sky, 47°F. Coldest: 41°F feels-like at Arrivée (Mon, 10/12 12:06 PM); warmest: 55°F at Arrivée (Mon, 10/12 12:06 PM). No notable rain forecast on the course. Gusts up to 22 mph at Arrivée.
Forecast, not guaranteed: in the mountains a model describes a grid of several hundred meters, not the slope you're on.
Weather data: Météo-France (AROME), DWD (ICON), ECMWF (IFS) — CC BY 4.0, via Open-Meteo
Frequently asked questions
How many checkpoints?
Chaumont-en-Vexin - 24km has 1 checkpoint: 1 checkpoint with undocumented contents. Details are in the two tables above.
What distance and elevation gain?
Chaumont-en-Vexin - 24km is 23 km long with 451 m of elevation gain.
How long to finish?
With a UTMB Index of 600 (average runner), the estimated time is around 2h06 for Chaumont-en-Vexin - 24km.
What's the weather forecast?
Forecast published: 41°F feels-like at the coldest, 55°F at the warmest, no notable rain. RAVIT publishes the weather for Chaumont-en-Vexin - 24km section by section: feels-like temperature, rain or snow, wind and storms, at the estimated passage time. Forecasts come from AROME (Météo-France), ICON (DWD) and ECMWF IFS, refreshed several times a day.
Want to stack the odds in your favor for Chaumont-en-Vexin - 24km?
In 2 minutes, RAVIT generates your complete plan: segment-by-segment time, carbs, water and sodium at every aid station, printable roadbook.
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