Events/Les Randobolitaines

Les Randobolitaines 85 km

GravelLoop
DateExpected
Late June 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Centre commercial Leclerc, rue du Clos Battant, 78120 Rambouillet
Sonchamp, Yvelines
Countdown
June

The longer of the two gravel loops, 85 km of riding from Sonchamp. Pick this one if 66 km on gravel sounds like a warm-up.

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The course

The route

Sonchamp
Distance85km
StartElevation
0 kmDrag map to rotate81.0 km
Weather

Late-June, Sonchamp

24°CTypical high
13°CTypical low
6°CColdest in 20 years
32%Days with rain

Highs around 24°C and lows around 13°C, but it has dropped to 6°C. Rain on 32% of days.

NASA POWER data, 2006-2025, the week either side of race day
Results

Course verified. Results not yet available.

Organiser
OrganiserCyclotouristes de Rambouillet (CTR)
Instagram@ctr_78ramb
Running since1987
Training

Training for the Les Randobolitaines 85 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.

GarminWahooPolarHammerheadIntervals.icu
What a Les Randobolitaines 85 km plan targets
Typical sessions
85 km
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
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
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Get your Les Randobolitaines 85 km plan.
7-day free trial, no card required.
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