Ultra Running Hub Kirchzarten, Germany · Saturday, September 19, 2026
Fixed Distance 50K
Black Forest Ultra Trail Run 55
Race completed
55 km Distance
2,590 m Climbing
6.6 Grit · Hardcore
What the course asks
Climbing rate 47 m / km
Mountain. Significant climbing. Steep sections will require power hiking.
Time limit 12 hours
13:05 min/km average. Comfortable. Room to walk the climbs and stop at aid. More forgiving than 62% of 50K races. Measured against 1058 races of the same distance. Cut-off calculator →
Typical conditions, September
Daytime high 18°C
Night low 8°C
Rainfall Showers likely
Daylight 12 h 26 m of light
Regional 2001-2020 average for September — NASA POWER, grid elevation 702 m. Not a forecast.
Course notes
- terrain This is a mountain course. Poles are highly recommended for the sustained climbs.
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 55 km of trail with 2,590 m of ascent.
- Trail Running Shoes 47 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition 55 km of self-supported fuelling between aid stations.
- Hydration Vests Pole attachment and chest-strap stability on steep ground.
- Trekking Poles 2,590 m of ascent to walk up.
- Headlamps A 12 h limit puts you out there after dark.
Overview
The Black Forest Ultra Trail Run 55 is a 55 km trail race held in Kirchzarten, Germany, in September. With 2590m of elevation gain, runners face 47.1m of climbing per kilometer, which is predominantly on forest paths, gravel, and singletrack with little asphalt.
The 12-hour time limit gives runners a 13.1 minutes per kilometer cutoff pace. This cutoff is tighter than 38% of 1009 peer 50k races, leaving less margin for error than most races of this distance. Entry is 85 EUR.
Similar races
Other 50K trail ultras, closest in distance first.