Ultra Running Hub Kirchzarten, Germany · Saturday, September 19, 2026
Fixed Distance 50K
Black Forest Ultra Trail Run 55
16 days to go
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. Generous. Walkable throughout for most of the field. More forgiving than 61% of 50K races. Measured against 982 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.
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 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.
Course Notes
Rundkurs, ca. 55 km. Überwiegend Waldwege, Schotter und Singletrails, sehr wenig Asphalt. Anspruchsvolle Topographie mit stetigem Auf und Ab und längeren Anstiegen im Schwarzwald.
Similar races
Other 50K trail ultras, closest in distance first.