Dieburg, Germany · Sunday, December 20, 2026

Fixed Distance 50K

HW 19 Ultramarathon

80 days away

45.2 km Distance

200 m Climbing

2.6 Grit · Entry level

49.8974° N, 8.8461° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 4 m / km Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.

Time limit 10 hours 13:16 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 66% of 50K races. Measured against 1035 races of the same distance. Cut-off calculator →

Field size ~21 Small. Long stretches with nobody in sight.

DUV results for the 2025 edition (45.2km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, December

Daytime high 4°C

Night low -1°C

Rainfall Mostly dry

Daylight 8 h 06 m of light

Regional 2001-2020 average for December — NASA POWER, grid elevation 172 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	45.2km	21	Mirko Peters · 03:34:57	Bärbel Fischer · 04:51:21
2025	45.2km	21	Georg Kunzfeld · 03:48:08	Esther Haprich · 04:55:31
2024	45.2km	18	Rene Strosny · 03:47:27	Annette Bruns · 06:33:11
2023	45.2km	7	Jörg Drechsler · 05:08:37	Gundula Weckenmann · 05:20:30
2020	46.1km	18	Heiko Ludwig · 04:24:00	Alexandra Fellmann · 04:46:00

24% of the 2025 field were women.

DUV results for the 2025 edition (45.2km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

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 45 km of trail with 200 m of ascent.

Trail Running Shoes 45 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 45 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 45 km, without the bounce.
GPS Watches Battery life first — a 45 km day outlasts most full-GPS modes.

Adidas

Terrex Speed Ultra

RunRepeat found the Adidas Terrex Speed Ultra to have a grippy outsole and great lockdown, while iRunFar noted that the shoe works on a variety of trail conditi…

★★★★★ 4.5

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

Spring Energy