
30 km Spring Trail Run
Detailed itinerary
Starting at the Terrace of the Paris Observatory - PSL, the 30km Trail allows participants to experience all the unique challenges of trail running (managing distance and consecutive hills, mental toughness, and nutrition management). This nature trail is suitable for finishers of the 20km Trail (formerly 18km) from previous years and half-marathoners looking to switch to trail running.
Essential information
Ready to get started?
Numbers distribution
FFA License for 2026–2027 or PPS Certificate.
Thursday, March 18, or Friday, March 19, from 11:00 a.m. to 8:30 p.m.
Center sportif Emile Anthoine
D-Day
Observatoire de Paris - PSL in Meudon
Line N to Bellevue — Detailed timetable in the roadbook.
8:30 a.m. to 9 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 1L
Food reserve
Tumbler 15cl minimum
Survival blanket
Cell phone
Identification
Means of payment
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
















