Remscheid, Germany · Sunday, October 25, 2026

Fixed Distance 50 mi

Röntgenlauf

39 days away

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 455 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.

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 Shoes21 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition63 km of self-supported fuelling between aid stations.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles1,340 m of ascent to walk up.
GPS WatchesBattery life first — a 63 km day outlasts most full-GPS modes.

Adidas

Terrex Agravic Speed Ultra

★★★★★ 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

Gel 100

Hydrogel technology for 25g carbs per gel with minimal GI distress.

$3.5 ★★★★★ 4.7

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Black Diamond

Distance FLZ

Lightweight folding trekking poles with FlickLock Z adjustment. 340g per pole.

$170 ★★★★★ 4.7

Garmin

Enduro 3

Ultra-endurance GPS watch with solar charging and 300+ hour battery in GPS mode.

$900 ★★★★★ 4.8

All gear guides →

Course Notes

Die Ultramarathonstrecke ist 63,3 Kilometer lang und entspricht zu 90% einer kompletten Runde über den Original-Röntgenweg. Vom Start aus führt zunächst eine ca. 5km lange Runde durch die Lenneper Altstadt, anschließend zurück zum Startbereich Hacken

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