Oybin, Germany · Saturday, October 16, 2027

Fixed Distance 50K

O-SEE Ultra Trail 50km

381 days away

50 km Distance

2,340 m Climbing

6.0 Grit · Hardcore

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

What the course asks

Climbing rate 47 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 10 hours 12:00 min/km average. Generous. Walkable throughout for most of the field. About average for a 50K. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~166 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (50km) — 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.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50km	166	Tim Dally · 04:43:57	Klaudia Petters · 04:57:37
2024	50km	115	Robert Müllers · 04:41:33	Nicole Keßler · 05:45:41
2023	50km	110	Marc Schulze · 04:37:27	Anne Pietsch · 05:49:42
2022	50km	94	Robert Müllers · 04:42:30	Laura Klug · 06:13:33
2021	50km	70	Adrian Niski · 04:38:56	Carmen Henker · 06:58:38
2020	50km	110	Frank Rothe · 04:41:33	Maja Betz · 05:20:17
2019	50km	79	Marco Möhler · 04:53:10	Seline Uebe · 06:24:22

The field grew 44% between 2024 (115) and 2025 (166). 23% of the 2025 field were women.

DUV results for the 2025 edition (50km) — 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 mountain course. Poles are highly recommended for the sustained climbs.

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 50 km of trail with 2,340 m of ascent.

Trail Running Shoes 47 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 2,340 m of ascent to walk up.
GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.

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

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

Maurten