DateExpected
Late June 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Plateau des Petites Roches, in front of the Office de Tourisme, Saint-Hilaire-du-Touvet
Saint-Hilaire, Isère
Countdown
June
30 km with 1,650 m of climbing: a proper steep mountain loop, with a morning start that lets you sleep in a little. A good step up from a hilly half marathon.
Key facts
01Cut-off at Col du Coq (km 9) at 10:30, so the early climb matters
022026 rules: minimum age 20, valid FFA licence or PPS under a year old
Create a free training plan for the Grand Duc – Trail de Chartreuse 30 km
7-day free trial, no card required
The course
The route
Saint-Hilaire
Distance30km
Total climb1,650m
StartElevation
0 kmDrag map to rotate29.4 km
Weather
Late-June, Saint-Hilaire
24°CTypical high
14°CTypical low
6°CColdest in 20 years
37%Days with rain
Highs around 24°C and lows around 14°C, but it has dropped to 6°C. Rain on 37% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01CIANCIA Hermance03:51:407.8 km/h
02MONGREVILLE Alexane03:51:407.8 km/h
03STUDLER Françoise03:58:567.5 km/h
91
Women finishers
5:31:19
Median time
5.4 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 Grand Duc – Trail de Chartreuse 30 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 Duc – Trail de Chartreuse 30 km plan targets
Typical sessions
30 km with 1,650 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
Entries open now
Get your Grand Duc – Trail de Chartreuse 30 km plan.
7-day free trial, no card required.
Other races at Grand Duc – Trail de Chartreuse
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→
