Köln, Germany · Sunday, January 17, 2027

Fixed Distance 50 mi

G1 Grüngürtel Ultra Köln

73 days away

63 km Distance

not publishedn/a Climbing

3.2 est Grit · Challenging

Calculated from 63 km alone — the organiser has not published an elevation profile. Read 3.2 as a floor, not a verdict.

50.9333° N, 6.9500° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 10 hours 9:31 min/km average. Tight. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Tighter than 81% of 50 mi races. Measured against 485 races of the same distance. Cut-off calculator →

Field size ~260 Large. Rarely out of sight of another runner.

DUV results for the 2026 edition (63km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, January

Daytime high 4°C

Night low -1°C

Rainfall Mostly dry

Daylight 8 h 28 m of light

Regional 2001-2025 average for January — NASA POWER, grid elevation 125 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	63km	260	Gabriel Kusserow · 04:27:17	Lena Weller · 05:40:59
2025	63km	284	Felix Weber · 04:13:32	Mascha Rondhuis · 05:02:48
2024	63km	261	Anno Dallmann · 04:38:19	Seraphina Kleeberg · 05:25:06
2023	63km	212	Markus Meinke · 04:32:28	Maren Hamann · 06:13:25
2022	63km	204	Felix Weber · 04:25:13	Erika Chaari · 05:35:10
2020	63km	198	Andreas Sprott · 04:57:01	Anke Warlich · 05:36:57
2019	63km	108	Christian Braun · 05:23:35	Anna Christina Nowak · 06:10:24
2018	63km	84	Rafael Rodriguez Baena · 05:34:00	Simone Durry · 06:00:00

The field shrank 8% between 2025 (284) and 2026 (260). 22% of the 2026 field were women.

DUV results for the 2026 edition (63km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Course notes

gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.

Gear for this race

Chosen for 63 km of trail.

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

Awesome Sauce

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

$4 ★★★★★ 4.6

Nathan

VaporKrar 12L

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

$170 ★★★★★ 4.6

COROS

APEX 2 Pro

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

$500 ★★★★★ 4.7

All gear guides →

Overview

The G1 Grüngürtel Ultra Köln is a 63 km trail race that will take place in Köln, Germany, on January 17, 2027. It has a bigger field than 92% of 50mi races, with 260 finishers at its latest edition in 2026.

The 10-hour time limit is tighter than 81% of 50mi cut-offs, allowing for a pace of 9.5 minutes per kilometer. The course follows the G1 Grüngürtel hiking trail around Köln on paved paths with minimal elevation gain, relying on existing trail markers and a provided track for navigation.

Organised by Quälixfaktor Sport und Events, the race has been held 8 times since its first edition in 2018. Entry costs 45 EUR.

Similar races

Other 50 mi trail ultras, closest in distance first.