Otzberg, Germany · Thursday, December 31, 2026

Fixed Distance Marathon

Otzberger Silvester-Ultra

119 days away

45 km Distance

400 m Climbing

2.9 Grit · Entry level

49.8304° N, 8.9101° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

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. Generous. Walkable throughout for most of the field. Tighter than 86% of Marathon races. Measured against 42 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.

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 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.