Boréalys Mont-Tremblant by UTMB - Odyssée

Race completed

78.9 km Distance

3,636 m Climbing

9.4 Grit · Elite / extreme

46.2127° N, 74.5844° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 46 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 18 hours 13:41 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 82% of 50 mi races. Measured against 455 races of the same distance. Cut-off calculator →

Typical conditions, August

Daytime high 23°C

Night low 13°C

Rainfall Showers likely

Daylight 14 h 14 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 304 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a mountain course. Poles are highly recommended for the sustained climbs.

By UltraHub Expert

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 79 km of trail with 3,636 m of ascent.

Trail Running Shoes46 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition79 km of self-supported fuelling between aid stations.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles3,636 m of ascent to walk up.
HeadlampsA 18 h limit puts you out there after dark.

Adidas