Dieburg, Germany · Sunday, December 20, 2026

Fixed Distance 50K

HW 19 Ultramarathon

95 days away

45.2 km Distance

200 m Climbing

2.6 Grit · Entry level

49.8974° N, 8.8461° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 4 m / km Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.

Time limit 10 hours 13:16 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 66% of 50K races. Measured against 1007 races of the same distance. Cut-off calculator →

Field size ~21 Small. Long stretches with nobody in sight.

DUV results for the 2025 edition (45.2km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, December

Daytime high 4°C

Night low -1°C

Rainfall Mostly dry

Daylight 8 h 06 m of light

Regional 2001-2020 average for December — NASA POWER, grid elevation 172 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 45 km of trail with 200 m of ascent.

Trail Running Shoes45 km of trail — cushioning that is still there in the last quarter.
Race Nutrition45 km of self-supported fuelling between aid stations.
Hydration VestsFlask capacity for 45 km, without the bounce.
GPS WatchesBattery life first — a 45 km day outlasts most full-GPS modes.

Adidas

Terrex Speed Ultra

★★★★★ 4.5

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 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

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

Pendelstrecke auf dem Hauptwanderweg HW19 vom Odenwaldclub von Dieburg bis nach Heusenstamm und zurück. Durch Felder, Wälder und eine Ortschaft. Asphalt, Schotter, Natur-und Waldwege, etwas Trail. Auch im Winter gut zu Laufen.

Similar races

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