Bergisch Gladbach-Bensberg, Germany · Sunday, March 14, 2027

Fixed Distance 50 mi

Königsforst-Marathon

165 days away

63.3 km Distance

73 m Climbing

3.3 Grit · Challenging

50.9856° N, 7.1330° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 1 m / km Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.

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 ~154 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 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, March

Daytime high 10°C

Night low 1°C

Rainfall Mostly dry

Daylight 11 h 43 m of light

Regional 2001-2020 average for March — NASA POWER, grid elevation 125 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	63.3km	154	Frank Merrbach · 04:05:37	Mascha Rondhuis · 04:44:12
2025	63.3km	120	David Schönherr · 04:10:47	Joanna Tallmann · 04:37:25
2024	63.3km	80	Enrico Käseberg · 04:46:04	Joanna Tallmann · 04:56:20
2023	63.3km	48	Frank Merrbach · 04:25:19	Claudia Maria Henneken · 05:29:15
2022	63.3km	58	Frank Merrbach · 04:36:32	Christine Becker · 05:44:08
2021	63.3km	27	Markus Meinke · 04:36:36	Carina Jochum · 06:00:47

The field grew 28% between 2025 (120) and 2026 (154). 23% of the 2026 field were women.

DUV results for the 2026 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 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 63 km of trail with 73 m of ascent.

Trail Running Shoes 63 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 63 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 63 km, without the bounce.
GPS Watches Battery life first — a 63 km day outlasts most full-GPS modes.

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

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

Spring Energy