Tools Races Trails Routes Trips API Blog Sign in Open Planner

Overview Weather Pace Calculator Print Map

Race Calendar / Matterhorn Ultraks / Weather

Race weather

Matterhorn Ultraks weather

Extreme 26K · Fri, 21 August 2026 · Zermatt, Valais

Pace calculator Print map Open GPX in Planner

7-day start-area forecast

Tools Races Trails Routes Trips Developers / API For race organizers Maps for your website About Blog Notifications Start an activity Get the app Privacy Policy Terms of Service Data sources

© 2026 TrailSplits. All rights reserved.