Trail ultramarathon · Italy
16–18 July 2027 · Gressoney-Saint-Jean, Aosta Valley
Walserwaeg Trail: Sat, 17 July 2027
A high-alpine UTMB World Series event on the Walser paths below Monte Rosa, linking the Lys, Ayas and Aosta valleys.
2027 dates confirmed
Event and distance dates were checked against the organizer schedule.
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 · Walserwaeg Trail · 2027 edition
First come, first served until places run out. Open on the organizer's page on 30 Sep 2026, which does not say how many places are left.
From the organizer's page, checked 30 Sep 2026. TrailSplits does not know whether you have a place; the organizer is the final word.
Monte Rosa Walserwaeg by UTMB is a trail ultramarathon scheduled for 16–18 July 2027 in Gressoney-Saint-Jean, Aosta Valley, Italy. 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 registration until full for the July 2027 edition: UTMB Index holders from 18 August 2026 (48 hours), then everyone from 20 August 2026; no waiting list. Organizer's page, checked Wednesday 30 September 2026.
TrailSplits is a free, independent route & pacing companion — not the official race. Visit the official Monte Rosa Walserwaeg by UTMB site →
The organizer lists Walserwaeg Trail at 43 km and +3,100 m for 2027; the course file mapped here (the organizer's 2026 file) measures 41.2 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.
Finishing Walserwaeg Trail earns 2 Running Stones (50K category) toward the UTMB World Series Finals lottery. How Running Stones work.
Racing more than once next year? Add Walserwaeg Trail 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.
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 72.1 m climb per km.
Sat, 17 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 Walserwaeg Trail 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 Walserwaeg Trail 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.
Monte Rosa Walserwaeg by UTMB 2027 races run 16–18 July 2027 in Gressoney-Saint-Jean, Aosta Valley; the Walserwaeg Trail is on Sat, 17 July 2027. Check the official race site for registration deadlines and final details.
4 distances (15–120 km). The longest course is 120 km with about 8,200 m of vertical gain — a demanding mountain course.
The Les sentiers des Valdôtains course has a 36-hour cut-off, an average of 18.0 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://mrww.utmb.world/.
Load the GPX directly into TrailSplits for surface analysis and terrain intel.