DateExpected
Mid October 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Collège du Val de Rosemont, avenue Jean Moulin, 90200 Giromagny
Giromagny, Territoire-de-Belfort
Countdown
October
A half-marathon distance with 1,000 m of climbing, so it asks more of your legs than the number suggests. No cut-offs, one aid station.
Key facts
01One aid station; semi-autonomy, so carry what you need
02No cut-off barriers
03Minimum age 20; valid sports licence or PPS required
Create a free training plan for the BelforTrail 21 km
7-day free trial, no card required
The course
The route
Giromagny
Distance21km
Total climb1,000m
StartElevation
0 kmDrag map to rotate21.5 km
Weather
Mid-October, Giromagny
15°CTypical high
6°CTypical low
-5°CColdest in 20 years
38%Days with rain
Highs around 15°C and lows around 6°C, but it has dropped to -5°C. Rain on 38% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
OrganiserAssociation sportive Territoire Sport Nature (TSN)
Websiteterritoire-sport-nature.com
Running since2012
Training
Training for the BelforTrail 21 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a BelforTrail 21 km plan targets
Typical sessions
21 km with 1,000 m of climbing
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your BelforTrail 21 km plan.
7-day free trial, no card required.
Other races at BelforTrail
More events in October in France
100 Miles Pyrénées MéditerranéeExpected Early October 2027 · Bolquère→Boulieu TrailExpected Early October 2027 · Boulieu-lès-Annonay→Ultra Trail des Montagnes du JuraExpected Early October 2027 · Métabief→Cézanne Cyclo ClassicExpected Early October 2027 · Aix-en-Provence→Gravel is MineExpected Early October 2027 · Wallers→La Franco-SuisseExpected Early October 2027 · Les Rousses to Métabief→
