DateExpected
Late May 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Mairie de Fons-Outre-Gardon, Place Alphonse Daudet, Fons-outre-Gardon
Fons, Gard
Countdown
May
A 14 km trail run in the dark, done as a pair. With 400 m of climbing it's a friendly distance, so the night and your partner are what make it memorable.
Key facts
01Run in pairs: you need a partner to enter
02Night race, so bring a head torch
Create a free training plan for the Duo nocturne des Leins
7-day free trial, no card required
The course
The route
Fons
Distance14km
Total climb400m
StartElevation
0 kmDrag map to rotate13.9 km
Weather
Late-May, Fons
24°CTypical high
12°CTypical low
4°CColdest in 20 years
28%Days with rain
Highs around 24°C and lows around 12°C, but it has dropped to 4°C. Rain on 28% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01DEMEY NINERT Mickael Yanis01:07:0112.5 km/h
02CHAPUT FENOLL Julien Adrien01:09:1812.1 km/h
03GRIMALTOS MARTINEZ Clement Frederic01:11:3711.7 km/h
95
Finishers
1:37:28
Median time
8.6 km/h
Median speed
Overall · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Training
Training for the Duo nocturne des Leins
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 Duo nocturne des Leins plan targets
Typical sessions
14 km with 400 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 Duo nocturne des Leins 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→
