Ultramarathon Guide

Wildstrubel 100

Wildstrubel 100 sends runners around a 113-kilometre Alpine loop from Crans-Montana, with 6,600 metres of climbing and a 30-hour limit overnight.

Next raceFriday, September 11, 2026
Distance categoryUltramarathon
LocationCrans-Montana, Switzerland

Every link above goes to the race, its timing provider, or an official registration partner. Last checked July 22, 2026.

Quick facts

  • Friday night start on September 11, 2026
  • 113 kilometres with 6,600 metres of gain
  • Crans-Montana Alpine loop
  • Thirty-hour maximum race time

About the Wildstrubel 100

The Wild 110 is the 100K-category race at Wildstrubel by UTMB, with its own night start and course. Its 113-kilometre identity is separate from the weekend's other distances.

Course

The loop starts and finishes in Crans-Montana after crossing high Alpine passes and accumulating about 6,600 metres of gain. Long night sections demand mountain experience.

Race-day weather

September in the Swiss Alps can shift from mild valleys to freezing rain, wind or snow on passes. Overnight exposure makes mandatory gear and conservative pacing essential.

Past Wildstrubel 100 dates and results

YearDateStatusResults
2026Friday, September 11, 2026Upcoming

Wildstrubel 100 FAQ

When is the Wildstrubel 100?

The 2026 Wildstrubel 100 is on Friday, September 11, 2026.

How do I register for the Wildstrubel 100?

You can register for the Wildstrubel 100 at wildstrubel.utmb.world.

Race organizer or timing partner?

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