DateExpected
Late August 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Bois de Cergy, Cergy, Val-d’Oise
Cergy, Val-d'Oise
Countdown
August
A full day and night of mountain bike laps on an 8 km loop in the woods, ridden solo or shared in a relay team. Pick your format and keep the laps ticking.
Key facts
01Solo, pairs, tandem and 3-person entries must be 18 or over
02Teams of 4 to 6 can start from 15, with an adult for minors
03Parental authorization needed for minors; licence or medical certificate may be required
Create a free training plan for the 24H VTT de Cergy 24 hours
7-day free trial, no card required
The course
One lap, on repeat
Cergy · one lap
Non-stop24hr
Start · finishOne lap · elevation
0 kmDrag map to rotate25.0 km
Weather
Late-August, Cergy
23°CTypical high
12°CTypical low
7°CColdest in 20 years
27%Days with rain
10 hIn the dark
Highs around 23°C and lows around 12°C, but it has dropped to 7°C. Rain on 27% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#TeamLapsTime
01Ô JôB LES MULOIS9123:56:37
02BOUZELOUF9023:48:43
03LES FADA8423:42:35
107
Finishers
23:46:51
Median time
63 laps
Median laps
Overall · 2026 results, as published by the organiser.
How many laps could you do?
Get a prediction based on your recent training
Organiser
Training
Training for the 24H VTT de Cergy 24 hours
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 24H VTT de Cergy 24 hours plan targets
Typical sessions
24hr continuous effort
Endurance and fatigue resistance over the full distance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long endurance rides building toward the full distance
Threshold and sweet-spot work for sustained power
Terrain and skills practice specific to the course
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 24H VTT de Cergy 24 hours plan.
7-day free trial, no card required.
Other races at 24H VTT de Cergy
More events in August in France
La GévaudaneExpected Early August 2027 · Saugues→Les Courses du Jura AlsacienSun, 1 Aug 2027 · Ferrette→Trail de l'EtendardExpected Early August 2027 · Le Bourg-d’Oisans and Saint-Sorlin-d’Arves→Trail du Pays du ChâtaignierExpected Early August 2027 · Villefranche-du-Périgord→Trail en Forêt de Saint SeverExpected Early August 2027 · Noues de Sienne→Asics Méribel TrailFri, 6 Aug 2027 · Les Allues→
