Trail ultramarathon · Switzerland
14–18 July 2027 · Grindelwald, Bernese Oberland
E101: Sat, 17 July 2027
101 km through the dramatic Bernese Oberland beneath the Eiger North Face. A demanding loop with iconic Alpine scenery.
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 · E101 · 2027 edition
If you applied, check your result with the organizer. Selected runners confirm and pay by Mon 5 Oct 2026, 23:59 CEST. Places not confirmed go to a second draw on Tue 6 Oct 2026.
Requirement: a valid UTMB Index in any category.
Other routes the organizer lists: Discover E101 & E51 Camp · Summit Package · Eiger Ultra Trail Quartz Club · Local residents' places.
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.
Eiger Ultra Trail is a trail ultramarathon scheduled for 14–18 July 2027 in Grindelwald, Bernese Oberland, Switzerland. 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: For 2027, E101, E51 and E35 places go by lottery: pre-registration 21-28 September 2026, results on 30 September 2026, selected runners confirm by 5 October, second draw 6 October for unclaimed places (confirm by 12 October). E250, E16 and Trail Surprise are first come, first served from 13 October 2026, 14:00 (UTMB Index holders) and 15 October 2026, 14:00 (everyone). Organizer's page, checked Thursday 1 October 2026.
TrailSplits is a free, independent route & pacing companion — not the official race. Visit the official Eiger Ultra Trail site →
The organizer lists E101 at 101 km and +6,700 m for 2027; the course file mapped here (the organizer's 2026 file) measures 99.1 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 E101 earns 3 Running Stones (100K category) toward the UTMB World Series Finals lottery. How Running Stones work.
Racing more than once next year? Add E101 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.
Eiger Ultra Trail E101 — 2025 edition. 600 finishers.
Estimated finish-time percentiles, modeled from the 2025 winning (11h 24m) and median (20h 00m) times — a guide, not official splits.
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 65.3 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 E101 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 E101 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.
Eiger Ultra Trail 2027 races run 14–18 July 2027 in Grindelwald, Bernese Oberland; the E101 is on Sat, 17 July 2027. Check the official race site for registration deadlines and final details.
5 distances (17.1–261 km). The longest course is 261 km with about 16,204 m of vertical gain — a demanding mountain course.
The E250 course has a 95-hour cut-off, an average of 21.8 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://eiger.utmb.world/.
Load the GPX directly into TrailSplits for surface analysis and terrain intel.