Trail ultramarathon · France
25–27 September 2026 · Nice, France
Nice 100K: Sat, 26 September 2026
A sea-to-summit UTMB World Series weekend from the Mercantour and Riviera hill towns down to the Promenade des Anglais in Nice.
Entry · Nice 100K · 2026 edition
The organizer publishes the official results. Entry for the next edition is not on file yet. The organizer announces dates and entry rules; check their site before planning around a place.
From the organizer's page, checked 30 Sep 2026. TrailSplits does not know whether you have a place; the organizer is the final word.
Nice Cote d'Azur by UTMB is a trail ultramarathon scheduled for 25–27 September 2026 in Nice, France. TrailSplits currently includes 5 mapped courses for this event, with course maps, elevation profiles, weather context, and pacing tools for the uploaded GPX data.
How to get a place: First come, first served 'without pre-registration or random draw' for the 2026 edition: UTMB Index holders from 9 December 2025, everyone from 11 December 2025, until places are filled; no waiting list. 2027 dates not yet published. Organizer's page, checked Wednesday 30 September 2026.
TrailSplits is a free, independent route & pacing companion — not the official race. Visit the official Nice Cote d'Azur by UTMB site →
Finishing Nice 100K earns 3 Running Stones (100K category) toward the UTMB World Series Finals lottery. How Running Stones work.
Racing more than once next year? Add Nice 100K to a season and see whether your races work together.
Inspect the official course track on a topographic map, through its elevation profile, or in 3D.
› running direction two lines: out and back on the same path kilometres
Selected distance
Vert-focused blueprint with route-finder links into the Planner.
Other distances
Prepare and return
Keep this course, its training plan, calendar and future course updates together in your private My Races page. Saving does not publish your workouts, pace or progress.
Race route lab
Open the official course in Planner, then choose a nearby start point to build a shorter loop that matches the course demand. This course averages about 47.8 m climb per km.
Sat, 26 September 2026
Send to your watch
Get the official course as a clean GPX or a Garmin TCX course, with step-by-step instructions to load it onto a Garmin, COROS, Suunto, Wahoo, or Komoot — free, no account needed.
Compare your training
See how faithfully your rehearsal route matches the real race. The official course for Nice 100K loads as Route A — upload your training route to compare distance, elevation gain, estimated time, and how much of the course you actually cover.
Course analysis
See the Nice 100K course broken into its major climbs and descents in order — length, gain, average grade, and steepness — so you know where the crux is and how to pace and fuel it.
Nice Cote d'Azur by UTMB 2026 races run 25–27 September 2026 in Nice, France; the Nice 100K is on Sat, 26 September 2026. Check the official race site for registration deadlines and final details.
5 distances (23–168 km). The longest course is 168 km with about 8,900 m of vertical gain — a demanding mountain course.
The Nice 100M course has a 50-hour cut-off, an average of 17.9 min/km to finish in time. TrailSplits' cut-off pacer shows the buffer at each aid station.
Yes. TrailSplits gives you the course map, an interactive elevation profile, a 3D flyover and a downloadable GPX for every mapped distance — free and with no sign-up.
Each distance has a free, course-specific 16-week training plan built around its distance, vertical gain and cut-offs, plus a pace and cut-off calculator.
No. TrailSplits is a free, independent route and pacing companion. For registration and official rules, visit https://nice.utmb.world/.
Load the GPX directly into TrailSplits for surface analysis and terrain intel.