Les 3 Ballons takes place on Sat, Jun 5, 2027 in Ronchamp, France. The main route is 181 km.
- Date
- Sat, Jun 5, 2027
- Start
- Ronchamp 🇫🇷
- Distance
- 181 km
- Climbing
- 4,020 m
- Level
- Open to all
Your 33-week plan to Les 3 Ballons
The Base phase starts this week. Built around your fitness and adjusted every day as your form changes; attach the course and it prepares for the climbs too.
Build my planFree to start · No credit card
Les 3 Ballons is a cyclosportive in the southern Vosges starting in Ronchamp, with a 181 km Granfondo (about 4,020 m climbing) and a 93 km Mediofondo, both finishing at La Planche des Belles Filles.
What would it take you?
Pick the level closest to yours for an estimate of finish time on this course and the training a solid preparation needs.
Estimated finish
8:50–10:40
Peak-week training
6–8 h/week
A model estimate from distance, climbing and level, not a promise. Conditions, drafting and pacing move it.
IntervalCoach turns those weekly hours into a concrete plan built around your actual fitness. Start with this race as your goal
Your road to race day
Race day at Les 3 Ballons is 33 weeks away. This is how a coach divides that time. The first phase starts now.
01Base21 weeks · Oct 18, 2026 – Mar 13, 2027
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Mar 14, 2027 – Apr 24, 2027
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
03Peak3 weeks · Apr 25, 2027 – May 15, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · May 16, 2027 – May 29, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · May 30, 2027 – Jun 5, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is Les 3 Ballons?
Les 3 Ballons takes place on Sat, Jun 5, 2027 in Ronchamp, France.
How long is Les 3 Ballons?
The main route is 181 km.
How much climbing does Les 3 Ballons have?
Les 3 Ballons has 4,020 m of climbing.
Who is Les 3 Ballons for?
Les 3 Ballons is open to all participants.
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