Remscheid, Germany · Sunday, October 25, 2026

Fixed Distance 50 mi

Röntgenlauf

24 days to go

63.3 km Distance

1,340 m Climbing

5.2 Grit · Challenging

51.1798° N, 7.1925° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 21 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 8 hours 7:35 min/km average. Firm. Sustained running. Long aid-station stops will cost you. Among the tightest 50 mi cut-offs we track. Measured against 471 races of the same distance. Cut-off calculator →

Field size ~240 Large. Rarely out of sight of another runner.

DUV results for the 2025 edition (63.3km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, October

Daytime high 14°C

Night low 5°C

Rainfall Mostly dry

Daylight 10 h 10 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 260 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	63.3km	240	Daniel Bauer · 05:02:18	Lisa Wiedemann · 05:49:25
2024	63.3km	185	Torben Kirchner · 04:34:27	Lise Emmendörfer · 06:17:51
2023	63.3km	189	Jan Kaschura · 04:44:11	Irina Möller · 06:15:07
2022	63.3km	122	Christoph Verhalen · 04:36:34	Anna-Lina Dahlbeck · 05:09:07
2021	63.3km	51	Jan Kaschura · 04:52:28	Nina Ropertz · 06:30:22
2019	63.3km	267	Jan Kaschura · 04:18:42	Britta Giesen · 05:43:07
2018	63.3km	309	Manuel Skopnik · 04:50:42	Britta Giesen · 05:31:35
2017	63.3km	258	Jan Kaschura · 04:22:02	Juliane Totzke · 04:56:51
2016	63.3km	314	Jan Kaschura · 04:20:31	Birte Bannert · 05:55:55
2015	63.3km	233	Jan Kaschura · 04:29:08	Silke Pfenningschmidt · 05:18:24

The field grew 30% between 2024 (185) and 2025 (240). 23% of the 2025 field were women.

DUV results for the 2025 edition (63.3km) — 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 rolling 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 63 km of trail with 1,340 m of ascent.

Trail Running Shoes 21 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 63 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 1,340 m of ascent to walk up.
GPS Watches Battery life first — a 63 km day outlasts most full-GPS modes.

Adidas

Terrex Agravic Speed Ultra

RunRepeat found the Adidas Terrex Agravic Speed Ultra to be perfect for midfoot and forefoot strikers, while iRunFar noted that the shoe feels incredibly effici…

★★★★★ 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

Maurten