goodborning.

Ultra Trail Monts d'Arrée

MontagneForêt
Page complete at 11%

ABOUT

About Ultra Trail Monts d'Arrée

Ultra in the Monts d'Arrée, the 'Breton mountains'. Huelgoat forest, peatlands, heathlands and granite chaos in the wild heart of Brittany.

BLOCK 2 · COURSE

78 km, 2,800 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.

GoodBorning estimator

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.

StravaCorosGarminSuuntoITRA
Estimate my time
Examples

Ballpark by profile. Compute yours in 2 min.

  • Trained runner

    Top 10 % of finishers

    ~9h43
  • Regular runner

    Around the median

    ~12h22
  • Conservative pace

    Comfortable margin

    ~15h54

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.

Race date: 14 June 2026

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 385 m altitude.

Forecast unavailable for this race

The weather service didn't reply. Try again later.

BLOCK 8 · COMMUNITY

From finishers, for finishers

Ratings, race reports, photos, Q&A. What you won't read on the official site.

Do you organize this race?

14 June 2026

J-3