Diamant - Sam Rock 2026
Forecast published: 88°F feels-like at the coldest, 86°F at the warmest, with a risk of thunderstorms.
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 - Diamant - Sam Rock · 2026
| Aid station | Cum. km | Cum. D+ | Seg. km | Seg. D+ | Seg. D- | Crew | Cut-off | Access |
|---|---|---|---|---|---|---|---|---|
| Arrivée | 18.1 | 939 m | 18.1 | 939 m | 934 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
- Essai RAVIT bis18 km · 988 m D+ · October 29, 2026
- Saint Eusèbe - Trail du Four à Pain15 km · 539 m D+ · October 31, 2026
- Valbonne - 15km-night15 km · 400 m D+ · October 31, 2026
- COTTANCE - 20km-night20 km · 750 m D+ · October 31, 2026
- Orgères - Trail découverte - 15km nocturne14 km · 169 m D+ · October 31, 2026
- Volvic - 16km-night17 km · 648 m D+ · October 31, 2026
- COTTANCE - 12km-night12 km · 350 m D+ · October 31, 2026
- Bouaye - La Loupiote12 km · 80 m D+ · October 31, 2026
- Bouaye - La Lanterne24 km · 190 m D+ · October 31, 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 — Diamant - Sam Rock
Weather for Diamant - Sam Rock
Section-by-section forecasts for Diamant - Sam Rock, 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 Sun, 11/01 06:00 AM: Storm, 86°F. Coldest: 88°F feels-like at Arrivée (Sun, 11/01 08:10 AM); warmest: 86°F at Start (Sun, 11/01 06:00 AM). No notable rain forecast on the course. Gusts up to 23 mph at Start. Risk of thunderstorms at Start, 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?
Diamant - Sam Rock has 1 checkpoint: 1 checkpoint with undocumented contents. Details are in the two tables above.
What distance and elevation gain?
Diamant - Sam Rock is 18 km long with 939 m of elevation gain.
How long to finish?
With a UTMB Index of 600 (average runner), the estimated time is around 2h11 for Diamant - Sam Rock.
What's the weather forecast?
Forecast published: 88°F feels-like at the coldest, 86°F at the warmest, with a risk of thunderstorms. RAVIT publishes the weather for Diamant - Sam Rock 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 Diamant - Sam Rock?
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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