Ultra Trail Whistler by UTMB 2025

This page is kept as a past race archive for the Sep 27, 2025 edition in Whistler, British Columbia. See the 2025 edition when you want the live listing. You can also browse the 2025 race calendar.

The Ultra Trail Whistler by UTMB is an epic trail running event featuring distances of 100K, 50K, 25K, and 10K. The courses traverse Whistler Blackcomb, offering runners a balance of challenge and beauty with views of Black Tusk, mountain lakes, and alpine vistas. This event brings together runners seeking to experience diverse terrains amidst stunning nature and serves as a qualifier for the UTMB World Series Finals in Chamonix.

Runners will traverse shared, unceded territory of the Lil’wat People (L̓il̓wat7úl) and the Squamish People (Sḵwx̱wú7mesh), experiencing deep evergreen forests, mountain lakes, and high alpine vistas throughout the races.

• Multiple distances: 100K, 50K, 25K, 10K
• Trail running event through Whistler Blackcomb
• Scenic views of Black Tusk, mountain lakes, and alpine vistas
• Entry fees include processing costs; prices subject to change
• Age restrictions vary by race: 100K and 50K (18+), 25K (16+), 10K (12+)
• Stroller use not allowed

• Takes place on the shared, unceded territory of the Lil’wat People and the Squamish People
• Diverse terrains including deep evergreen forests, mountain lakes, and high alpine vistas
• Part of the UTMB World Series and a qualifier for the UTMB World Series Finals in Chamonix