Darmstadt, Germany · Thursday, December 24, 2026

Fixed Distance Marathon

Weihnachtsultra

85 days away
45 km Distance
700 m Climbing
3.3 Grit · Challenging
49.8717° N, 8.6503° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 16 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 9 hours 12:00 min/km average. Generous. Walkable throughout for most of the field. About average for a Marathon. Measured against 43 races of the same distance. Cut-off calculator →
Field size ~22 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 06 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 22 Dominic Henzler · 04:14:55 Esther Haprich · 04:59:22

27% 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.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling 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 700 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.
All gear guides →

Overview

The Weihnachtsultra in Darmstadt, Germany, is a fixed-distance trail race held on December 24. Runners complete 5 laps of 9km each, accumulating 700m of elevation gain over the 45km course. This means an average climb of 15.6m per kilometer.

With a 9-hour time limit, the cutoff pace of 12 minutes per kilometer is tighter than 50% of comparable marathon races. The field size of 22 finishers in its first edition in 2025 was smaller than 29% of its marathon peers.

Similar races

Other Marathon trail ultras, closest in distance first.