DateExpected
Late June 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Plan d’eau de Saint-Bonnet-en-Champsaur, Saint-Bonnet-en-Champsaur
Saint-Julien-en-Champsaur, Hautes-Alpes
Countdown
June
A 95 km loop from the lake at Saint-Bonnet-en-Champsaur, back to where you started. 2,200 m of climbing is a solid day out, not a monster, and the sportive and randonnée riders leave together.
Key facts
01Medical certificate under 1 year old or a federal licence with medical endorsement
02Minimum age 16; under 18s need parental authorization
03Helmet is mandatory
Create a free training plan for the Altitude 1664
7-day free trial, no card required
The course
The route
Saint-Julien-en-Champsaur
Distance95km
Total climb2,200m
StartElevation
0 kmDrag map to rotate90.3 km
Weather
Late-June, Saint-Julien-en-Champsaur
22°CTypical high
11°CTypical low
0°CColdest in 20 years
28%Days with rain
Highs around 22°C and lows around 11°C, but it has dropped to 0°C. Rain on 28% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
Organiser
OrganiserOffices de Tourisme du Dévoluy et du Champsaur-Valgaudemar
Instagram@ledevoluy
Running since2025
Training
Training for the Altitude 1664
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 Altitude 1664 plan targets
Typical sessions
95 km with 2,200 m of climbing
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
Sustained climbing repeats on real gradients
Group rides for drafting and bunch-riding skills
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 Altitude 1664 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→
