Train for UTMB
Chamonix. Three countries around Mont Blanc. Grand Col Ferret in the second night, then the long drop to La Fouly.
174 km+10,000 m-10,000 m46.5 hours1,000 m to 2,537 mtech 8/10loop3 countriesWorld Series 100MAugust
- Start3,423 ft
- High7,968 ft
- Low2,764 ft
- Finish3,426 ft
What PR Run builds for this start line
- Personalized plan from your baseline and this course profile
- Aid-segment fuel rehearsals tied to checkpoint spacing
- Structured gear kit from course intelligence
- Race-day pacing, crew notes, and race-morning brief
- Aid stations: 15 · longest gap ~57 km
- Mandatory kit items: 2
- Cutoff: 46.75 hours
The crux
Grand Col Ferret (2,537 m) and Col du Montets
Race details can change. Confirm current rules and logistics with the Official site.
Official siteCheck readinessPredict finish timeFull race guide