Road Tro Breizh takes place on May 12 – 15, 2027 in Iffendic, France. The main route is 900 km.
- Date
- May 12 – 15, 2027
- Start
- Iffendic 🇫🇷
- Distance
- 900 km
- Level
- Open to all
Your 29-week plan to Road Tro Breizh
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.
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A self-supported ultra-distance road cycling event of about 900 km through Brittany, starting at Lac de Tremelin in Iffendic, with mandatory segments linked by free navigation.
Your road to race day
Race day at Road Tro Breizh is 29 weeks away. This is how a coach divides that time. The first phase starts now.
01Base17 weeks · Oct 22, 2026 – Feb 17, 2027
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Feb 18, 2027 – Mar 31, 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 1, 2027 – Apr 21, 2027
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
04Taper2 weeks · Apr 22, 2027 – May 5, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · May 6, 2027 – May 12, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is Road Tro Breizh?
Road Tro Breizh takes place on May 12 – 15, 2027 in Iffendic, France.
How long is Road Tro Breizh?
The main route is 900 km.
Who is Road Tro Breizh for?
Road Tro Breizh is open to all participants.
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