Otzberg, Germany · Thursday, December 31, 2026
Fixed Distance Marathon
Otzberger Silvester-Ultra
74 days away
45 km Distance
400 m Climbing
2.9 Grit · Entry level
What the course asks
Climbing rate 9 m / km
Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Time limit 8 hours
10:40 min/km average. Firm. Room to walk the climbs and stop at aid. Tighter than 74% of Marathon races. Measured against 46 races of the same distance. Cut-off calculator →
Field size ~36 Small. Long stretches with nobody in sight.
DUV results for the 2025 edition (45km) — 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 10 m of light
Regional 2001-2020 average for December — NASA POWER, grid elevation 172 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 45km | 36 | Rene Strosny · 03:42:28 | Sabine Beck · 04:02:14 |
| 2024 | 45km | 30 | Björn Appel · 04:10:27 | Gundula Weckenmann · 04:40:06 |
The field grew 20% between 2024 (30) and 2025 (36). 31% of the 2025 field were women.
DUV results for the 2025 edition (45km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Course notes
- terrain This is a fast & flat course. Expect fast, runnable sections where rhythm is key.
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 45 km of trail with 400 m of ascent.
- Trail Running Shoes 45 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 45 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 45 km, without the bounce.
- GPS Watches Battery life first — a 45 km day outlasts most full-GPS modes.
Similar races
Other Marathon trail ultras, closest in distance first.