Stewart Valley, SK, Canada · Saturday, September 19, 2026
Fixed Distance 50K
Beaver Flat 50 Ultra Marathon
3 days to go
50 km Distance
2,300 m Climbing
5.9 Grit · Challenging
What the course asks
Climbing rate 46 m / km
Mountain. Significant climbing. Steep sections will require power hiking.
Field size ~146 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 20°C
Night low 7°C
Rainfall Mostly dry
Daylight 12 h 28 m of light
Regional 2001-2020 average for September — NASA POWER, grid elevation 718 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a mountain course. Poles are highly recommended for the sustained climbs.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail with 2,300 m of ascent.
- Trail Running Shoes46 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition50 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles2,300 m of ascent to walk up.
- GPS WatchesBattery life first — a 50 km day outlasts most full-GPS modes.
Course Notes
A hilly hard-as-hell trail run at Saskatchewan Landing Provincial Park, SK with over 2300 meters of vertical gain across 50 kilometers.
Similar races
Other 50K trail ultras, closest in distance first.