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

Fixed Distance 50 mi

Königsforst-Marathon

179 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 455 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.

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 Shoes63 km of trail — cushioning that is still there in the last quarter.
Race Nutrition63 km of self-supported fuelling between aid stations.
Hydration VestsFlask capacity for 63 km, without the bounce.
GPS WatchesBattery 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

★★★★★ 4.5

Spring Energy

Awesome Sauce

Real food gel with 180 calories. Rice-based with natural flavors.

$4 ★★★★★ 4.6

Salomon

ADV Skin 12

Industry-standard 12L race vest with front flask pockets and minimal bounce.

$180 ★★★★★ 4.8

COROS

APEX 2 Pro

GPS running watch with 75-hour GPS battery, topo maps, and training metrics.

$500 ★★★★★ 4.7

All gear guides →

Course Notes

DLV-vermessene 21,1km Runde im Königsforst durch die grüne Lunge von Köln auf Wald-Wegen. Mix aus 85% Waldboden und 15% asphaltierten Wegen. Weitere Distanzen 21.1km + 42.2km

Similar races

Other 50 mi trail ultras, closest in distance first.