Marathon de Nantes takes place on Sun, Apr 25, 2027 in Nantes, France. The main route is 42.2 km.
- Date
- Sun, Apr 25, 2027
- Start
- Nantes 🇫🇷
- Distance
- 42.2 km
- Climbing
- 235 m
- Level
- Open to all
The Abalone Marathon de Nantes is a 42.195 km urban road race through Nantes, passing landmarks including the Machines de l’Île, central squares, the Parc de Procé, the Jardin des Plantes and the banks of the Erdre.
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
3:55–4:45
Peak-week training
5–7 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 Marathon de Nantes is 33 weeks away. This is how a coach divides that time. The first phase starts now.
01Base21 weeks · Sep 7, 2026 – Jan 31, 2027
Aerobic foundation: mostly steady endurance work that grows the aerobic engine and the durability the later phases stand on.
02Build6 weeks · Feb 1, 2027 – Mar 14, 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 · Mar 15, 2027 – Apr 4, 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 5, 2027 – Apr 18, 2027
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
05Race week1 week · Apr 19, 2027 – Apr 25, 2027
Openers, rest and logistics. The work is done; the job now is arriving fresh.
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