Date
Sun, 9 May 2027
Start
09:00
Venue
La Rodia, avenue de Chardonnet, 25000 Besançon
Besançon, Doubs
Countdown
May
A 17 km trail you run as a pair, staying side by side the whole way. 700 m of climbing keeps it lively without being brutal, and a team effort makes it a fun one.
Key facts
01Duo only: teammates must stay within 50 m of each other
02Cut-off at 12:00 at km 14.7
03Timed races need a current FFA licence or PPS
Create a free training plan for the Trail des Forts de Besançon
7-day free trial, no card required
The course
The route
Besançon
Distance17km
Total climb700m
StartElevation
0 kmDrag map to rotate16.9 km
Weather
Early-May, Besançon
16°CTypical high
7°CTypical low
-1°CColdest in 20 years
58%Days with rain
Highs around 16°C and lows around 7°C, but it has dropped to -1°C. Rain on 58% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01La blonde et la brune01:40:4310.1 km/h
02EMRA01:49:509.3 km/h
03Les M&M’s01:54:278.9 km/h
93
Women finishers
2:38:30
Median time
6.4 km/h
Median speed
Women · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
OrganiserExtra Sports (coordinator), co-produced with ASTB (Amicale Sportive Territoriale Bisontine)
Websitetraildesforts.com
Instagram@traildesforts
Running since2004
Training
Training for the Trail des Forts de Besançon
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 Trail des Forts de Besançon plan targets
Typical sessions
17 km with 700 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 Trail des Forts de Besançon plan.
7-day free trial, no card required.
More events in May in France
Ardèche Trail La Voie RomaineSat, 1 May 2027 · Désaignes→Bagnères Classic TrailExpected Early May 2027 · Bagnères-de-Bigorre→Trail du BenouExpected Early May 2027 · Bielle→Trail du Mont ChauveExpected Early May 2027 · Noyelles-Godault→Trail du MourtisExpected Early May 2027 · Boutx→Dézic'n'TrailExpected Early May 2027 · Saint-Didier-en-Velay→
