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Röntgenlauf
The Röntgenlauf is a hilly course of 42.2 km with 508.4 m of climbing. Its lowest point is 130 m and its highest 332 m above sea level. Next race: Sunday 25 October 2026, starting at 09:30.
At a glance
- Race day
- The 2026 race
- Next race
- Date not out yet
- Last run Sun 25 Oct
- Start
- 09:309:30 AM
- Distance
- 42.2 km26.2 mi
- Marathon · Half marathon · 10K · 5K · Ultra
- Total climb
- 508.4 m1668 ft
- Highest point 202 m663 ft above lowest
- Time limit
- 7 h 30 min
- Finish closes 17:005:00 PM
The course
Pick a place, or drag along the profileThe organiser's marathon runs the last two thirds of the 63.3 km Röntgenweg loop, starting at the Clemenshammer in Remscheid-Hasten and finishing at the Sportzentrum Hackenberg in Lennep.
StartFinish
© OpenStreetMap contributors
- Photo: Róbert Poláček, CC BY 3.0
km 0mile 0
Clemenshammer
The marathon starts here, at the half marathon finish in Remscheid-Hasten.
km 8.9mile 5.5
Müngsten Bridge
The organiser says the Röntgenweg passes under Germany's highest railway bridge.
km 23mile 14.3
Eschbach Reservoir
The organiser names Germany's oldest drinking water reservoir on the Röntgenweg.
Photo: Róbert Poláček, CC BY 3.0
Height drawn many times taller than life · GEDTM30
0 10 20 30 40 km
0 10 20 26.2 mi
Dashed: bridge
Your 5 gels, at the orange marksFor a 4:00 finish, one every 40 minutes
- km 7mile 4.4
- km 14.1mile 8.7
- km 21.1mile 13.1
- km 28.1mile 17.5
- km 35.2mile 21.8
Get them on AmazonAmazon partner link
- Two thirds of the RöntgenwegThe last two thirds of a 63.3 km loop.
- 960 m up and 820 m downAbout 960 m up and 820 m down.
- A 7.5 hour cut-off, walkers welcome7.5 hours, finish closes at 17:00.
Course notes 4 short reads on the course
Whole courseGeometryTwo thirds of the RöntgenwegThe last two thirds of a 63.3 km loop.
Free shuttle buses take marathon runners to the start, and aid stations stand about every 5 km. The organiser says the Röntgenweg passes water hammers from the 19th century, old half-timbered houses and under Germany’s highest railway bridge.
Sourced
Whole courseGradient960 m up and 820 m downAbout 960 m up and 820 m down.
The 63.3 km ultra on the full loop climbs and descends about 1,370 m. The organiser’s 2026 route near the Freibad Eschbachtal, from km 41.5, climbs towards the Falkenberger Straße and ends with a steeper descent on a forest path.
Sourced
Whole courseTacticsA 7.5 hour cut-off, walkers welcome7.5 hours, finish closes at 17:00.
The marathon starts at 09:30 on Sunday 25 October 2026 on the Morsbachtalstraße towards Gerstau. The event is part of the DUV Cup, and the marathon is where the German Medical Doctors Championships are held.
Sourced
Whole courseGradientFrom 160 m to 313 m, over a 332 m high pointLow 130 m at km 6.1, high 332 m at km 26.4.
The finish at the Sportzentrum Hackenberg is about 150 m higher than the start. The organiser’s own figures are about 960 m of climbing and 820 m of descent.
Measured
Race weekend
Bib pickup at Sportzentrum Hackenberg, LennepSaturday 24 October Bib pickup
-
16:004:00 PM–20:008:00 PM
Bib pickup at the pasta party Sportzentrum Hackenberg, Lennep
Bib in hand?A number belt holds it without pins through your race top. Clip it on tonight.
Number belt on AmazonAmazon partner link
Sunday 25 October Race day
-
06:306:30 AM
Bib pickup Sportzentrum Hackenberg, Lennep -
08:458:45 AM
Shuttle bus to the marathon start Sportzentrum Hackenberg. Free shuttle to the start. -
09:309:30 AM
Marathon start Morsbachtalstraße, towards Gerstau. Finish at the Sportzentrum Hackenberg. -
17:005:00 PM
Marathon finish closes Sportzentrum Hackenberg 7:30 limit: 10:39/km for 42.195 km7:30 limit: 17:09/mi for 26.2 mi
Other races (2)
-
08:308:30 AM
Ultramarathon start (63.3 km) Sportzentrum Hackenberg -
08:308:30 AM
Half marathon start Sportzentrum Hackenberg. Finish at Clemenshammer in Remscheid-Hasten.
Times as published by the organiser, in Remscheid time, checked . Confirm on their site before you travel.
The forecast for Sunday
Race morning, on the record
Add to calendar .ics file, times in Remscheid time
Entry
Race fuel
Energy gel
5 gels for Remscheid, plus 1 spare
Finish
One every 40 minutes, the orange marks on the profile, by the clock:
Under about 75 minutes most runners need no gel: water at the aid stations does it.
- km 7mile 4.4
- km 14.1mile 8.7
- km 21.1mile 13.1
- km 28.1mile 17.5
- km 35.2mile 21.8
For your long training runs:
Our pick: SiS BETA Fuel gel, box of 6, strawberry and lime. 40 g of carbohydrate a gel, about twice a usual gel, from two kinds of sugar your body takes up side by side. Enough for race day and two test long runs.
Easy to forget on race morning: pack them with your bib the night before.
Only the gel you trained with. Nothing new on race day.
Get it on Amazon
We earn a small fee if you buy through these links. The price is the same.
In Canada the button opens GU Energy Gel, Salted Caramel, 24-pack, the best seller there.
Outside the Netherlands, Belgium, Germany, Austria and Switzerland, the UK and Ireland, Spain and Portugal, Italy, the rest of the EU and Canada the button opens GU Energy Gel, Chocolate Outrage, 24-pack on Amazon.com, the best seller there.
Anti-chafe
Compeed anti-blister stick, 8 ml
An invisible layer before the start keeps seams, straps and shoes from rubbing skin raw.
Put it on before you leave for the start: heels and toes, inner thighs, under a bra or heart-rate strap.
Try it on a long run first, like everything you use on race day.
Get it on Amazon
We earn a small fee if you buy through these links. The price is the same.
Number belt
Compressport Race Belt
Holds your bib without safety pins through your top, with loops for up to 8 gels.
Clip the bib on the night before, so it goes on with your shorts in the morning.
Keep the number on the front, where officials and photographers can see it.
Get it on Amazon
We earn a small fee if you buy through these links. The price is the same.
Electrolytes
SiS Hydro electrolyte tablets, tube of 20
One tablet in a bottle puts back some of the salt you sweat out.
One tablet in 500 ml of water in the hour before the start.
Only if you have used them in training: nothing new on race day.
Get it on Amazon
We earn a small fee if you buy through these links. The price is the same.
Blister plasters
Compeed blister plasters, medium, 6
One in a pocket cushions a blister if one starts.
Put it on clean, dry skin and leave it until it comes off by itself.
Give a couple to whoever comes to cheer, so they are there at the km you need them.
Get it on Amazon
We earn a small fee if you buy through these links. The price is the same.
Questions about the Röntgenlauf
- Is the Röntgenlauf course flat?
- No, it is a hilly course: 508.4 m of climbing over 42.2 km. The highest point is 202 m above the lowest. It finishes 153 m higher than it starts.
- When is the Röntgenlauf 2026?
- Sunday 25 October 2026. The start is at 09:30.
- What is the time limit at the Röntgenlauf?
- Runners have 7 h 30 min to finish. The finish closes at 17:00.
- Where does the Röntgenlauf start?
- Start: Morsbachtalstraße, towards Gerstau.
Keep exploring
More races to look at after the Röntgenlauf.
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