Trail ultramarathon · France
Expected 8–10 July 2027 · Corte, Corsica
GT 20K: Expected Fri, 9 July 2027
A Corsican mountain race weekend from Corte with steep granite terrain, rugged valleys, and high technicality over short and ultra distances.
2027 date is estimated
The organizer has not announced the next date yet. This estimate keeps planning useful without presenting it as official.
The mapped GPX is carried forward from 2026 until the new course is verified. Use it for course research, then re-check before race day.
Date sourceEntry · GT 20K · 2027 edition
The entry facts on file are for the 2026 edition (open entry), checked 27 Sep 2026. Dates, method and places for 2027 can differ.
From the organizer's page, checked 27 Sep 2026. TrailSplits does not know whether you have a place; the organizer is the final word.
Restonica Trail by UTMB is a trail ultramarathon expected around 8–10 July 2027 in Corte, Corsica, France. TrailSplits currently includes 4 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: Direct online registration for the 2026 edition until 30 June 2026 (no on-site entries); French licence or PPS certificate required. No lottery described; 2027 not yet published. Organizer's page, checked Sunday 27 September 2026.
TrailSplits is a free, independent route & pacing companion — not the official race. Visit the official Restonica Trail by UTMB site →
Racing more than once next year? Add GT 20K 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 38.2 m climb per km.
Expected Fri, 9 July 2027
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 GT 20K 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 GT 20K 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.
Race-week reminders
A free browser notification in the final week — the course crux, the weather window, and loading the GPX onto your watch. No app, no email, no account.
Restonica Trail by UTMB 2027 races are expected to run 8–10 July 2027 in Corte, Corsica; the GT 20K is expected on Fri, 9 July 2027. Check the official race site for registration deadlines and final details.
4 distances (17–110 km). The longest course is 110 km with about 7,200 m of vertical gain — a demanding mountain course.
The UTC 100M course has a 48-hour cut-off, an average of 26.2 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://restonica.utmb.world/.
Load the GPX directly into TrailSplits for surface analysis and terrain intel.