Warendorf, Germany · Saturday, May 22, 2027

Fixed Distance 50K

Schloss Harkotten Ultra Marathon

248 days away

51 km Distance

100 m Climbing

2.7 Grit · Entry level

51.9511° N, 7.9876° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 2 m / km Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.

Time limit 8 hours 9:25 min/km average. Comfortable. Room to walk the climbs and stop at aid. Tighter than 89% of 50K races. Measured against 1007 races of the same distance. Cut-off calculator →

Typical conditions, May

Daytime high 18°C

Night low 8°C

Rainfall Mostly dry

Daylight 15 h 58 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 101 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 51 km of trail with 100 m of ascent.

Trail Running Shoes51 km of trail — cushioning that is still there in the last quarter.
Race Nutrition51 km of self-supported fuelling between aid stations.
Hydration VestsFlask capacity for 51 km, without the bounce.
GPS WatchesBattery life first — a 51 km day outlasts most full-GPS modes.

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

Adidas