Västerås, Sweden · Saturday, September 19, 2026
Fixed Distance 50K
Black River Run 30 Miles
3 days to go
48 km Distance
not publishedn/a Climbing
2.4 est Grit · Entry level
Calculated from 48 km alone — the organiser has not published an elevation profile. Read 2.4 as a floor, not a verdict.
What the course asks
Field size ~18 Tiny. You will run alone for most of it.
DUV results for the 2025 edition (46.2km) — 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 17°C
Night low 9°C
Rainfall Mostly dry
Daylight 12 h 38 m of light
Regional 2001-2020 average for September — NASA POWER, grid elevation 47 m. Not a forecast.
The Aid Station
Course-specific beta from the community
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 48 km of trail.
- Trail Running Shoes48 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition48 km of self-supported fuelling between aid stations.
- Hydration VestsFlask capacity for 48 km, without the bounce.
- GPS WatchesBattery life first — a 48 km day outlasts most full-GPS modes.
Course Notes
10 mile laps on trail and gravel through the forest and along a small river.
Similar races
Other 50K trail ultras, closest in distance first.