2025 UTMB Start. Image accompanying iRunFar’s report; reduced and presented for news commentary with the attributed report. View the complete source report.
iRunFar will provide live coverage of the 2026 UTMB on August 28 and 29. The race spans 177 km with 9,900 meters of elevation gain.
Starting at 5:45 p.m. CEST, the event will be livecast on iRunFar’s X feed. Records are held by Katie Schide and Jim Walmsley. Read more trail coverage.
This original Runner World brief is based on reporting from iRunFar. Visit the source for its complete reporting, context and any later corrections.
Reader questions
Questions about this report
What should runners know about iRunFar to Cover 2026 UTMB Live?
iRunFar's 16th year of live coverage for the 177 km UTMB race around Mont Blanc. iRunFar will provide live coverage of the 2026 UTMB on August 28 and 29. The race spans 177 km with 9,900 meters of elevation gain.
When did Runner World publish this trail brief?
Runner World published this brief on August 24, 2026. The underlying iRunFar report was dated August 24, 2026.
Where can readers find the complete original report?
This summary is based on reporting from iRunFar. The attributed source link in the article leads to the publisher’s complete report.
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