Whistler 50K is a 50.0 km trail race of Ultra Trail Whistler by UTMB 2026 in Creekside Plaza, Whistler, Canada. The race starts on August 22, 2026 at 05:00 AM. It starts in Creekside Plaza, Whistler and finishes in Spruce Grove Park, Whistler. The time limit is 12 h 30 min.
The course climbs 3200 m+. With 64 m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 42% of the distance is uphill, 50% downhill and 8% flat. The longest climb runs 7.1 km at an average 17.6% grade (1254 m of vertical). The longest descent runs 12.6 km at 10.1% (1264 m of vertical). The steepest climb averages 32.7% over 0.2 km. The steepest descent drops at 27.8% over 1.1 km. Surface: 68% trail, 23% smooth, and 6% technical. Flat-equivalent effort: 77.6 FlatKM.
The course also passes close to Whistler Mountain (2181 m).
Trekking poles are worth taking: about 10.1 km of the course favours them.
Quad damage risk is moderate (index 41 of 100), with 45% of the load in the first half: 2 descents deserve a plan and a couple of downhill sessions before race day.
Historically on race day, start temperatures range from 8°C to 15°C, around 4°C at the highest point; the chance of precipitation is about 34%. Heavy rain of 10.0 mm or more falls on about 7% of days around this date.
273 finishers completed the 2026 edition. Men's winner: Jackson Cole (New Zealand) in 5:24:56. Women's winner: Maya Rayle (United States) in 5:59:48.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for Whistler 50K.
Other distances of Ultra Trail Whistler by UTMB 2026
Other editions of Whistler 50K
Official websitewhistler.utmb.world
