UTFS 10K is the 12.5km trail race at Ultra-Trail du Fjord du Saguenay 2026 (L'Anse-Saint-Jean, Canada). The race starts on August 9, 2026 at 08:00 AM.
Run hard on the first mountain, but save energy for the second.
The course climbs 667m+. With 53m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 36% of the distance is uphill, 45% downhill and 18% flat. The longest climb runs 5.8km at an average 8.7% grade (501m of vertical). The longest descent runs 4.5km at an average 10.0% grade (444m of vertical). The steepest climb averages 30.6% over 0.4km. The steepest descent drops at 21.2% over 0.7km. Surface: 90% trail and 9% smooth. Flat-equivalent effort: 20.5 FlatKM.
The highest summit on the course is Mont Edouard (633m), 8.4km from the start.
Poles bring little benefit here: only about 2.1km of pole-friendly terrain.
Quad damage risk is low (index 11 of 100): a few descents worth noting, none of them decisive.
On race day, start temperatures have historically ranged from 14°C to 21°C, with around 16°C at the highest point; the chance of precipitation is about 48%. Heavy rain of 10.0mm or more falls on about 7% of days around this date.
306 finishers completed the 2026 edition. Men's winner: Maxime Corbeil (Canada) in 1:13:24. Women's winner: Mathilde Leblanc (Canada) in 1:38:22.
This page has the full results and splits, a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for UTFS 10K.
Other distances of Ultra-Trail du Fjord du Saguenay 2026UTFS 135K (134km)·UTFS 110K (104km)·UTFS 90K (90.3km)·UTFS 55K (55.8km)·UTFS 20K (20.5km)
Other editions of UTFS 10K2027
Official websitewww.ultratrailfjord.com