Trail ultramarathon · Switzerland
9–11 July 2027 · Verbier, Valais
X-Traversee 77K: Expected Sat, 10 July 2027
A high-alpine Valais race weekend with steep UTMB World Series routes around Verbier, Grand St-Bernard, Panossiere, and the Grand Combin massif.
2027 dates confirmed
The event window was checked against the organizer website. Individual distance dates and start times remain planning estimates until the detailed schedule is published.
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 · X-Traversee 77K · 2027 edition
First come, first served: Tue 6 Oct 2026, 10:00 CEST for UTMB Index holders; Thu 8 Oct 2026, 10:00 CEST for everyone. Closes Sun 4 Jul 2027, 23:59 CEST or when places run out.
Subscribe to these entry dates (updates when the organizer's dates change and we recheck them) · Download .ics. Separate from any training calendar; remove it any time in your calendar app.
From the organizer's page, checked 1 Oct 2026. TrailSplits does not know whether you have a place; the organizer is the final word.
Trail Verbier St-Bernard by UTMB is a trail ultramarathon scheduled for 9–11 July 2027 in Verbier, Valais, Switzerland. TrailSplits currently includes 3 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: Registrations on sale 'without pre registration and lottery' for the July 2027 edition: UTMB Index holders from 6 October 2026, everyone from 8 October 2026 until 4 July 2027 or sell-out; no waiting list. Organizer's page, checked Thursday 1 October 2026.
TrailSplits is a free, independent route & pacing companion — not the official race. Visit the official Trail Verbier St-Bernard by UTMB site →
The organizer lists X-Traversee 77K at 77 km and +5,300 m for 2027; the course file mapped here (the organizer's 2027 file) measures 75.8 km. Small differences come from how each figure was measured; plans and pacing here use the mapped file. Organizer's race list, checked Wednesday 30 September 2026.
Racing more than once next year? Add X-Traversee 77K 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 64.9 m climb per km.
Expected Sat, 10 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 X-Traversee 77K 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 X-Traversee 77K 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.
Trail Verbier St-Bernard by UTMB 2027 races run 9–11 July 2027 in Verbier, Valais; the X-Traversee 77K is expected on Sat, 10 July 2027. Check the official race site for registration deadlines and final details.
3 distances (43–140 km). The longest course is 140 km with about 8,900 m of vertical gain — a demanding mountain course.
The X-Alpine 140K course has a 41.5-hour cut-off, an average of 17.8 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://verbier.utmb.world/.
Load the GPX directly into TrailSplits for surface analysis and terrain intel.