Bromont, QC, Canada · Saturday, October 17, 2026
Fixed Distance 50 mi
Bromont Ultra 80 Km Trail Run
31 days away
80 km Distance
2,000 m Climbing
7.0 Grit · Hardcore
What the course asks
Climbing rate 25 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 13 hours
9:45 min/km average. Comfortable. Room to walk the climbs and stop at aid. Tighter than 79% of 50 mi races. Measured against 455 races of the same distance. Cut-off calculator →
Field size ~267 Large. Rarely out of sight of another runner.
DUV results for the 2025 edition (80km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, October
Daytime high 12°C
Night low 3°C
Rainfall Showers likely
Daylight 10 h 56 m of light
Regional 2001-2020 average for October — NASA POWER, grid elevation 174 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 80 km of trail with 2,000 m of ascent.
- Trail Running Shoes25 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition80 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles2,000 m of ascent to walk up.
- HeadlampsA 13 h limit puts you out there after dark.
Course Notes
One loop. It traverses several different running trails around Bromont and the mountain. 73 % single track, 25% dirt road and 2% paved road.
Similar races
Other 50 mi trail ultras, closest in distance first.