Altenbeken, Germany · Sunday, November 1, 2026
Fixed Distance 50K
Viadukt Ultramarathon
46 days away
45.2 km Distance
930 m Climbing
3.7 Grit · Challenging
What the course asks
Climbing rate 21 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 9 hours
11:57 min/km average. Generous. Walkable throughout for most of the field. About average for a 50K. Measured against 1007 races of the same distance. Cut-off calculator →
Typical conditions, November
Daytime high 8°C
Night low 3°C
Rainfall Mostly dry
Daylight 9 h 42 m of light
Regional 2001-2020 average for November — NASA POWER, grid elevation 142 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 45 km of trail with 930 m of ascent.
- Trail Running Shoes21 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition45 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles930 m of ascent to walk up.
- GPS WatchesBattery life first — a 45 km day outlasts most full-GPS modes.
Course Notes
Die Strecke führt Euch auf den Spuren des bekannten 29 km langen Viadukt Wanderweg – erweitert auf eine anspruchsvolle Strecke von 45 Kilometern durch das landschaftlich reizvolle Eggegebirge.
Similar races
Other 50K trail ultras, closest in distance first.