Duggendorf, Germany · Sunday, October 18, 2026
Fixed Distance 50K
Naabtal 50 Ultralauf
32 days away
50 km Distance
100 m Climbing
2.7 Grit · Entry level
What the course asks
Climbing rate 2 m / km
Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Time limit 10 hours
12:00 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 →
Field size ~5 Tiny. You will run alone for most of it.
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, October
Daytime high 14°C
Night low 4°C
Rainfall Mostly dry
Daylight 10 h 43 m of light
Regional 2001-2020 average for October — NASA POWER, grid elevation 449 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a fast & flat 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 50 km of trail with 100 m of ascent.
- Trail Running Shoes50 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition50 km of self-supported fuelling between aid stations.
- Hydration VestsFlask capacity for 50 km, without the bounce.
- GPS WatchesBattery life first — a 50 km day outlasts most full-GPS modes.
Course Notes
Flache Asphalt-Schotter-Wendepunktstrecke immer entlang eines Flusses
Similar races
Other 50K trail ultras, closest in distance first.