Cover photo of Les Courses du Mont-Terrible - La Terrible 2027 — 23 km, 947 m elevation gain

Les Courses du Mont-Terrible - La Terrible 2027

April 17, 2027
Distance
23.3 km
Elevation gain
947 m
Country
🇨🇭 Switzerland
Download the GPXVersion from September 30, 2026, updated by RAVITOfficial race website
Course weather at your time of passage

The forecast arrives five days before the start.

Here you'll find the elevation profile, an estimated finish time based on your UTMB Index and details of the 2 aid stations to plan your nutrition and hydration segment by segment.

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.

Predicted race time based on your UTMB Index®

UTMB Index®587
Normal day
3005007009001000UTMB Index®

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Cut-off times and crew - Les Courses du Mont-Terrible - La Terrible · 2027

23 km race checkpoints: kilometers, elevation, crew, cut-off time and access
Aid stationCum. kmCum. D+Seg. kmSeg. D+Seg. D-CrewCut-offAccess
BH : 10:459.8628 m9.8628 m212 m——
Villars19.0908 m9.2280 m566 m——
Arrivée23.3947 m4.339 m168 m—Sat 01:30 PM
Updated on 09/30/2026 by RAVIT

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: products in rows, aid stations in columns
ProductBH : 10:45km 9.8Villarskm 19.0
Water✕✕
Brand products✕✕
Updated on 09/30/2026 by RAVIT

Elevation profile

500 M600 M700 M800 M900 MS01 · BH : 10:45 KM 9.8 — Alt 876 m D+ cumulé 628 m9.8 KMBH : 10:45S02 · Villars KM 19.0 — Alt 593 m D+ cumulé 908 m19.0 KMVillarsStart0 KMFinish23.3 KM

The course and its aid stations

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GPX

Les Courses du Mont-Terrible - La Terrible: times, aid-station stops and fuelling needs by UTMB® Index

Between a UTMB® Index of 500 and 800, the estimated finish time on this race runs from 2h44 to 1h58, and the aid-station stop budget from 0h03 to 0h01. The longer the race, the more stops weigh: this is time you should plan to spend standing still, not only running.

0h000h030h050h080h103005007009001000UTMB® Index
Estimated time, stop time and fuelling needs on Les Courses du Mont-Terrible - La Terrible by UTMB Index
UTMB® IndexEstimated timeOf which stopsNight hoursCarbsFluidSodiumCut-off margin
5002h440h03—164 g1.9 L1,363 mg+1h46
5502h340h03—154 g1.8 L1,285 mg+1h56
6002h260h02—146 g1.7 L1,213 mg+2h04
6502h180h02—138 g1.6 L1,152 mg+2h12
7002h120h02—132 g1.5 L1,098 mg+2h18
7502h050h02—125 g1.5 L1,045 mg+2h25
8001h580h01—118 g1.4 L986 mg+2h32

Figures based on 60 g of carbohydrate, 700 mL of fluid and 500 mg of sodium per hour, "average" preparation and mild conditions (15–25 °C). Above 25 °C, count on roughly 900 mL/h and 700 mg/h. Carbohydrate intake is trained: 60 g/h is a floor, 90 g/h assumes a glucose-fructose blend and a gut used to it.

Other trails worth preparing for

Sources and method

  • Time projection — les temps par cote sont repris des passages réels des coureurs de chaque tranche sur les éditions précédentes de cette course, arrêts aux ravitaillements compris. Aucune formule n'intervient tant que ces résultats existent.
  • 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 — Les Courses du Mont-Terrible - La Terrible

Weather for Les Courses du Mont-Terrible - La Terrible

The weather for Les Courses du Mont-Terrible - La Terrible will appear here as soon as the forecast models reach that date, around five days before the start: feels-like temperature, rain, snow, wind and storms, section by section and at your passage time.

Detailed weather for Les Courses du Mont-Terrible - La Terrible, hour by hour on the course

Frequently asked questions

How many checkpoints?

Les Courses du Mont-Terrible - La Terrible has 3 checkpoints: 2 aid stations and 1 checkpoint with undocumented contents. Details are in the two tables above.

What's the longest segment without aid?

The one leading to BH : 10:45: 9.8 km and 628 m elevation gain. That's the one to load up for first.

How do I find the exact location of an aid station?

The Google Maps icon in the “Access” column opens the aid station's location: handy for planning your crew's routes.

What distance and elevation gain?

Les Courses du Mont-Terrible - La Terrible is 23 km long with 947 m of elevation gain.

How long to finish?

With a UTMB Index of 600 (average runner), the estimated time is around 2h26 for Les Courses du Mont-Terrible - La Terrible.

What's the weather forecast?

The weather for Les Courses du Mont-Terrible - La Terrible will be published on this page around five days before the start, once the forecast models reach the race date. It will be detailed section by section: feels-like temperature, rain, snow, wind and storms.

Want to stack the odds in your favor for Les Courses du Mont-Terrible - La Terrible?

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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