Tremblante 50K is a 46.4 km ultra trail of Boréalys Mont-Tremblant by UTMB 2026 in Village Tremblant, Canada. The race starts on August 16, 2026 at 07:00 AM. It starts and finishes in Village Tremblant. The time limit is 10 h 54 min.
The course climbs 2400 m+. With 52 m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 46% of the distance is uphill, 47% downhill and 7% flat. The longest climb runs 4.8 km at an average 13.0% grade (626 m of vertical). The longest descent runs 5.0 km at 12.9% (640 m of vertical). The steepest climb averages 29.1% over 0.4 km. The steepest descent drops at 25.7% over 0.6 km. Surface: 80% trail and 11% technical. Flat-equivalent effort: 67.4 FlatKM.
Poles bring little benefit here — only about 7.8 km of pole-friendly terrain.
Quad damage risk is moderate (index 37 of 100), with 40% of the load in the first half: 2 descents deserve a plan and a couple of downhill sessions before race day.
This page has the interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for Tremblante 50K.
Other distances of Boréalys Mont-Tremblant by UTMB 2026Odyssée 100K (80.7 km)·Diable 20K (26.6 km)·Chutes-Croches 20K (14.5 km)
Official websiteborealys.utmb.world
