Ultra Trail des Sources du Tarn
ABOUT
About Ultra Trail des Sources du Tarn
Ultra at the sources of the Tarn between the Tarn Gorges, Aigoual and the Causses. Spectacular course through canyons, forests and Lozère's high plateaus.
BLOCK 2 · COURSE
85 km, 4,500 m climb
Course map, elevation profile, notable segments, aid stations and cutoffs.
BLOCK 3 · ESTIMATOR
Your real finish time
Link your data or your ITRA, we calibrate against the historical peloton.
What's your real finish time?
Link Strava, Coros, Garmin or Suunto — or use your ITRA. We compare your profile to thousands of finishers and compute your time with confidence interval.
Ballpark by profile. Compute yours in 2 min.
- ~11h55
Trained runner
Top 10 % of finishers
- ~15h10
Regular runner
Around the median
- ~19h30
Conservative pace
Comfortable margin
BLOCK 5 · LOGISTICS
Pre-race essentials
How to get there (train, carpool), bib pickup, mandatory gear, and everything you need to know on-site.
How to get there
Pick your way in
Come by train
Get to the race by train
Type your nearest station — we'll send you to SNCF Connect.
Dates on SNCF Connect must be re-selected on the next page (their URL doesn't yet carry them).
Carpool
Share the ride with other runners
Soon: a per-race carpool thread with direct runner-to-runner listings. In the meantime, check BlaBlaCar or local Facebook groups.
Weather & conditions
Plan for conditions up to 1,565 m altitude.
Live forecast
Available starting J-14 — 73 days to go.
BLOCK 8 · COMMUNITY
From finishers, for finishers
Ratings, race reports, photos, Q&A. What you won't read on the official site.
The organizer
Montagne
Same region
Similar profile
Do you organize this race?
6 September 2026
J-87