20 km de Paris takes place on Sun, Oct 11, 2026 in Paris, France. The main route is 20 km.
- Date
- Sun, Oct 11, 2026
- Start
- Paris 🇫🇷
- Distance
- 20 km
- Level
- Open to all
The Harmonie Mutuelle 20 km de Paris is an iconic autumn road race starting at the foot of the Eiffel Tower and looping through the streets and landmarks of western Paris and the Bois de Boulogne.
Official event pageWhat this race demands
The 20 km de Paris demands sustained running economy and pacing discipline over a 20-kilometer distance on paved city streets.
Distance endurance
Covering 20 kilometers requires a robust aerobic base and efficient running mechanics to maintain pace well beyond typical half-marathon or 10K distances.
Pacing control
Navigating the streets and landmarks of western Paris demands controlled early pacing to prevent premature fatigue before the latter stages in the Bois de Boulogne.
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
1:40–2:00
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 20 km de Paris is 7 weeks away. This is how a coach divides that time. The first phase starts now.
01Build1 week · Aug 24, 2026 – Aug 30, 2026
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
02Peak3 weeks · Aug 31, 2026 – Sep 20, 2026
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
03Taper2 weeks · Sep 21, 2026 – Oct 4, 2026
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
04Race week1 week · Oct 5, 2026 – Oct 11, 2026
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Similar races
Organising this race?