Trail running course near Mont-Tremblant, Quebec, CA
Boréalys Mont-Tremblant by UTMB

Boréalys Mont-Tremblant by UTMB 46.1K

46.1K·182m gain·Mont-Tremblant, Quebec
ultra50kmountainforesttechnicaltrailqualifier

AI-generated image

Distance46.1K
Gain182m
Date15 Aug 2026
Difficulty4/5

About This Race

A 46.1K trail run, Mont-Tremblant, Quebec.

The route moves through multiple ecological zones in Quebec's Laurentian Mountains, beginning in the pedestrian village before climbing into mixed hardwood and conifer forest. Trails range from buffed doubletrack to root-laced singletrack, with stretches technical enough to demand full attention in varying light conditions.

The course returns runners to Mont-Tremblant village, where the finish atmosphere benefits from the resort's infrastructure and the convergence of multiple race distances. Aid station spacing follows UTMB World Series standards, with French and English support throughout.

Elevation Profile

Elevation profile estimated from terrain data. Actual course may differ.

The course gains 182m over 46km, with the steepest section between km 87–km 87.

Location

Practical Info

Nearest Airport

YUL - Montréal-Pierre Elliott Trudeau International Airport

Best For

ultra_runnersmountain_runnersexperienced_trail_runners

Other Distances at This Event

5.8K

17m gain

The route utilizes sections of Mont-Tremblant's established trail system, moving through Laurentian forest on mixed terrain typical of the region. Runners encounter natural surfaces including roots, rocks, and occasional technical sections that require attention but remain accessible to those with basic trail experience. The course provides exposure to the mountain environment without extended technical demands.

14.5K

60m gain

The route explores Mont-Tremblant's trail network through mixed terrain typical of the Laurentian mountains. Runners navigate sections of forest singletrack, wider packed paths, and variable footing that requires attention throughout. Without specific elevation data available, the course profile remains uncertain, though the mountain setting suggests meaningful vertical movement over the 14.5 kilometers.

26.6K

309m gain

The route explores Mont-Tremblant's trail network through mixed hardwood and conifer forest, with sections of exposed ridge and technical singletrack. Runners encounter the mountain's signature features: root-laced descents that demand focus, granite outcrops, and forest trails that shift from smooth to demanding within meters. The course includes fire road connectors between technical sections, offering brief windows for rhythm and recovery before the next challenging stretch.

80.7K

372m gain

The course winds through Mont-Tremblant's trail systems, combining singletrack through hardwood and coniferous forests with technical sections that require careful footwork. Runners should expect rooted trails, rocky passages, and sustained climbing, though specific elevation gain data is not currently published. The August timing means full vegetation and potentially warm, humid conditions that add to the challenge. Aid stations follow UTMB standards, positioned at strategic intervals throughout the course. Night running is likely for mid-to-back-of-pack runners, making headlamp preparation essential.