Clemens-August-Dorf Marathon

Race completed

47.7 km Distance

225 m Climbing

2.7 Grit · Entry level

52.5215° N, 8.1977° 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.

Field size ~4 Tiny. You will run alone for most of it.

DUV results for the 2025 edition (47.7km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, August

Daytime high 23°C

Night low 13°C

Rainfall Mostly dry

Daylight 13 h 54 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 50 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 48 km of trail with 225 m of ascent.

Trail Running Shoes 48 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 48 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 48 km, without the bounce.
GPS Watches Battery life first — a 48 km day outlasts most full-GPS modes.