Ultra Running Hub Calw-Altburg, Germany · Saturday, October 3, 2026
e2h10k-50km Ultrarace
What the course asks
DUV results for the 2025 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
Regional 2001-2020 average for October — NASA POWER, grid elevation 556 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 50km | 16 | Willi Krieger · 07:24:00 | Nicole Kolper · 07:53:00 |
| 2023 | 50km | 17 | Andreas Fischer · 05:14:00 | Inge Ganter-Kaufmann · 07:28:00 |
| 2022 | 50km | 32 | Andreas Fischer · 04:36:00 | Sabrina Schübelin · 05:35:00 |
The field shrank 6% between 2023 (17) and 2025 (16). 25% of the 2025 field were women.
DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
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 420 m of ascent.
- Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 50 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 50 km, without the bounce.
- GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
Overview
The e2h10k-50km Ultrarace, a trail event, has been held 3 times since 2022. It covers 50 kilometers with 420 meters of elevation gain, meaning 8.4 meters of climb per kilometer. This makes it a less hilly 50k race than most.
With a 10-hour time limit, runners must maintain a pace faster than 12 minutes per kilometer. This cutoff is tighter than 42% of other 50k races. The course is described as 95% forest paths and trails.
The race has seen 16 finishers in its latest edition. Its field size is smaller than 26% of 50k races, making it a smaller event among its peers.
Similar races
Other 50K trail ultras, closest in distance first.