DateExpected
Late June 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Salle des Fêtes, Louvie-Juzon → gymnasium, Laruns
Laruns, Pyrénées-Atlantiques
Countdown
June
A point-to-point trail run from Louvie-Juzon to Laruns, so you finish in a different town from where you started. Around 1,100 m of climbing over 24 km makes it a solid mountain day, not a stroll.
Key facts
01Cut-off at Lourziou (km 10.5) at 10:15, so you need to be there inside 1h45
02Timing ends at 12:00, so finish within 3h30 of the start
03Adults need a valid FFA licence or a PPS under three months old, plus accident insurance
Create a free training plan for the L'Ossaloise
7-day free trial, no card required
The course
The route
Laruns
Distance24km
Total climb1,138m
StartElevation
0 kmDrag map to rotate22.0 km
Weather
Late-June, Laruns
23°CTypical high
13°CTypical low
4°CColdest in 20 years
36%Days with rain
Highs around 23°C and lows around 13°C, but it has dropped to 4°C. Rain on 36% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01LOUSTAU Manon02:15:4210.5 km/h
02MOULUQUET Melody02:36:059.1 km/h
03BONNET Klervi02:38:588.9 km/h
56
Women finishers
3:17:12
Median time
7.2 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
Training
Training for the L'Ossaloise
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 L'Ossaloise plan targets
Typical sessions
24 km with 1,138 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 L'Ossaloise plan.
7-day free trial, no card required.
More events in June in France
Ultr'ArverneExpected Early June 2027 · Ambert→La Chaussée des GéantsSat, 5 Jun 2027 · Thueyts village→La Route de Bourgogne avec Claudio ChiappucciSat, 5 Jun 2027 · Arnay-le-Duc→La Transju’TrailsSat, 5 Jun 2027 · Les Rousses→La Traversée des DentellesSat, 5 Jun 2027 · Gigondas→Trail du PoulduExpected Early June 2027 · Clohars-Carnoët→
