Oybin, Germany · Saturday, October 16, 2027

Fixed Distance 50 mi

O-SEE Ultra Trail 75km

395 days away

75 km Distance

2,806 m Climbing

8.0 Grit · Hardcore

50.8421° N, 14.7430° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 37 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 15 hours 12:00 min/km average. Generous. Walkable throughout for most of the field. About average for a 50 mi. Measured against 455 races of the same distance. Cut-off calculator →

Field size ~54 Small. Long stretches with nobody in sight.

DUV results for the 2025 edition (75km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, October

Daytime high 13°C

Night low 4°C

Rainfall Mostly dry

Daylight 10 h 45 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 327 m. Not a forecast.

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 75 km of trail with 2,806 m of ascent.

Trail Running Shoes37 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition75 km of self-supported fuelling between aid stations.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles2,806 m of ascent to walk up.
HeadlampsA 15 h limit puts you out there after dark.

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

Adidas