Langenhagen, Germany · Saturday, July 25, 2026

Fixed Distance 50K

GEO-Pfad Ultramarathon

Race completed
50 km Distance
350 m Climbing
3.0 Grit · Challenging
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52.4476° N, 9.7374° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 7 m / km Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Time limit 8 hours 9:36 min/km average. Comfortable. Room to walk the climbs and stop at aid. Tighter than 89% of 50K races. Measured against 1007 races of the same distance. Cut-off calculator →
Field size ~34 Small. Long stretches with nobody in sight.

DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, July

Daytime high 24°C
Night low 14°C
Rainfall Mostly dry
Daylight 15 h 57 m of light

Regional 2001-2020 average for July — NASA POWER, grid elevation 79 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 50 km of trail with 350 m of ascent.

Adidas

Terrex Speed Ultra

★★★★★ 4.5

Adidas

Terrex Agravic Speed Ultra

★★★★★ 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

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

50km Landschaftslauf. Von Kaltenweide über Wald/Trail Wege nach Brelingen ca. 16km. 18km durch den Brelinger Berg mit dem Geologischen Lehrpfad. 16km vom VP in Brelingen geht es zurück nach Kaltenweide entlang des Bissendorfer Moor ins Ziel.

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