DateExpected
Early July 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Laruns
Laruns, Pyrénées-Atlantiques
Countdown
July
A big mountain day out of Laruns, with 4,600 m of climbing in 74 km. Run it solo, or split the loop with a partner in the relay.
Key facts
01Solo and relay runners share the same course and 05:00 start
02Relay handover is at Louvie-Juzon, around 39 km in
03Solo and relay results are ranked separately
Create a free training plan for the Grand Trail de la Vallée d'Ossau 74 km
7-day free trial, no card required
The course
The route
Laruns
Distance74km
Total climb4,600m
StartElevation
0 kmDrag map to rotate67.7 km
Weather
Early-July, Laruns
24°CTypical high
13°CTypical low
6°CColdest in 20 years
34%Days with rain
Highs around 24°C and lows around 13°C, but it has dropped to 6°C. Rain on 34% of days.
NASA POWER data, 2006-2025, the week either side of race day
2025 results
Who finishes, and how
#RiderTimeAvg speed
01Gaby MROZOWSKI10:10:137.3 km/h
02Roxanne AUGE10:44:286.9 km/h
03Sarah LOUSTAU10:44:286.9 km/h
36
Women finishers
14:03:36
Median time
5.3 km/h
Median speed
Women · 2025 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Training
Training for the Grand Trail de la Vallée d'Ossau 74 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 Grand Trail de la Vallée d'Ossau 74 km plan targets
Typical sessions
74 km with 4,600 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
Hill reps and vert to prepare the climbs and descents
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
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Get your Grand Trail de la Vallée d'Ossau 74 km plan.
7-day free trial, no card required.
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