West Guilford, ON, Canada · Friday, September 11, 2026
Fixed Distance 50K
Haliburton Forest 50 km Race
Race completed
50 km Distance
700 m Climbing
3.6 Grit · Challenging
What the course asks
Climbing rate 14 m / km
Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Field size ~115 Mid-sized. Company early, well spread out by halfway.
DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, September
Daytime high 22°C
Night low 10°C
Rainfall Mostly dry
Daylight 12 h 49 m of light
Regional 2001-2020 average for September — NASA POWER, grid elevation 344 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a fast & flat 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 50 km of trail with 700 m of ascent.
- Trail Running Shoes50 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition50 km of self-supported fuelling between aid stations.
- Hydration VestsFlask capacity for 50 km, without the bounce.
- GPS WatchesBattery life first — a 50 km day outlasts most full-GPS modes.
Course Notes
Surface: dirt roads (64%) and single-track trails (36%).
Similar races
Other 50K trail ultras, closest in distance first.