Osnabrück, Germany · Sunday, January 3, 2027

Fixed Distance 50K

Eversburger Gewässer Ultramarathon

109 days away

45.3 km Distance

not publishedn/a Climbing

2.3 est Grit · Entry level

Calculated from 45.3 km alone — the organiser has not published an elevation profile. Read 2.3 as a floor, not a verdict.

52.2726° N, 8.0498° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 7 hours 9:16 min/km average. Comfortable. Room to walk the climbs and stop at aid. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Among the tightest 50K cut-offs we track. Measured against 1007 races of the same distance. Cut-off calculator →

Field size ~16 Tiny. You will run alone for most of it.

DUV results for the 2026 edition (45.3km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, January

Daytime high 4°C

Night low -1°C

Rainfall Mostly dry

Daylight 7 h 49 m of light

Regional 2001-2020 average for January — NASA POWER, grid elevation 50 m. Not a forecast.

The Aid Station

Course-specific beta from the community

👟 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.

Trail Running Shoes45 km of trail — cushioning that is still there in the last quarter.
Race Nutrition45 km of self-supported fuelling between aid stations.
Hydration VestsFlask capacity for 45 km, without the bounce.
GPS WatchesBattery life first — a 45 km day outlasts most full-GPS modes.

La Sportiva

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Tailwind

Endurance Fuel

All-in-one calorie and electrolyte drink mix. 200 calories per serving.

$25 ★★★★★ 4.8

Salomon

ADV Skin 12

Industry-standard 12L race vest with front flask pockets and minimal bounce.

$180 ★★★★★ 4.8

Garmin

Enduro 3

Ultra-endurance GPS watch with solar charging and 300+ hour battery in GPS mode.

$900 ★★★★★ 4.8

All gear guides →

Course Notes

3 flache Runden je 15,1 km durch OS-Eversburg. Entlang an Hase, Kanal, Rubbenbruchsee und Landwehr-Bach. Asphalt-, Schotter- und Waldwege. Nicht KFZ-frei!

Similar races

Other 50K trail ultras, closest in distance first.