Kolkwitz, Germany · Saturday, April 10, 2027

Fixed Distance 50 mi

Ultra Lauf Cottbus

154 days away

64 km Distance

300 m Climbing

3.7 Grit · Challenging

51.7500° N, 14.2500° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 5 m / km Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.

Time limit 11 hours 10:19 min/km average. Generous. Walkable throughout for most of the field. About average for a 50 mi. Measured against 486 races of the same distance. Cut-off calculator →

Field size ~78 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 edition (64km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, April

Daytime high 15°C

Night low 4°C

Rainfall Mostly dry

Daylight 13 h 30 m of light

Regional 2001-2025 average for April — NASA POWER, grid elevation 71 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a fast & flat course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 64 km of trail with 300 m of ascent.

Trail Running Shoes64 km of trail — cushioning that is still there in the last quarter.
Race Nutrition64 km of self-supported fuelling between aid stations.
Hydration VestsFlask capacity for 64 km, without the bounce.
GPS WatchesBattery life first — a 64 km day outlasts most full-GPS modes.

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Spring Energy