120 km Spring Trail
Detailed itinerary
Designed for ultra-trail runners looking for a challenge, the 120km Trail is the big new addition to the Salomon EcoTrail Paris. This exceptional course crosses the forests, hills and trails of western Paris, with a remarkable passage through the heart of the Chevreuse Valley and its iconic castles. A unique adventure to experience, culminating in a majestic finish at the foot of the Eiffel Tower, on the Pont d'Iéna bridge.
Essential information
Ready to get started?
Numbers distribution
FFA 2025-2026 license required upon registration or PPS certificate to be submitted within three months of the event.
Thursday, March 19 or Friday, March 20, 11 a.m. to 8:30 p.m.
Center sportif Emile Anthoine
D-Day
Château de Rambouillet
Transilien line N to Rambouillet station - detailed timetable in the roadbook.
9 a.m. to 9.15 a.m. in waves
Do your friends and family want to follow you on the race? See the runners' roadbook
Post-race meal
Why carpool?
Can't make it by public transport? Carpooling is an economical, ecological and friendly solution.
The benefits:
- Reduce your travel costs
- Limit your carbon footprint
- Facilitate access to the event
- Meet other trail enthusiasts
Need a ride? Post or find a listing here (coming soon).
Go to
with complete peace of mind
Required equipment
Minimum water reserve 1.5L
Food reserve
Tumbler 15cl minimum
Headlamp
Reflective armband
Survival blanket
Cell phone
Identification
Means of payment
They've done it!
Moments of achievement, sharing and emotion, captured in the heart of nature and in the heart of Paris. Welcome to the world of EcoTrail.
Preparing well for the Salomon EcoTrail Paris
Got a question on your mind?
All the answers to your pre-departure questions
Everything you need to know before running
Racing rules, safety and data management
Our other races
80 km Fall Trail Run
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50 km Fall Trail Run
The most beautiful estates in the northwestern part of the Île-de-France region, all in one tour.
20 km Fall Trail Run
The perfect gateway to trail running, between the Jardy Stud Farms and western Paris.
80 km Spring Trail
The historic distance of the Salomon EcoTrail Paris, with a unique finish line on the 1st floor of the Eiffel Tower.
45 km Spring Trail
A royal route starting from the gardens of the Château de Versailles, ideal for those who want to turn a corner.
35 km Spring Trail
An accessible but demanding 35km.
30 km Spring Trail Run
The most popular distance, perfect for discovering the specifics of trail running.
20 km Spring Trail Run
A gentle introduction to trail running, 100% natural, accessible to all.
10K Spring Trail Run
The ideal opportunity to discover the practice and atmosphere of trail running.