Events/O-SEE 75k

O-SEE 75k 50 km

RunningLoop
DateExpected
Mid October 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Kurpark – An der Bürgerallee, 02797 Oybin
Hain, Görlitz
Countdown
October

The XTERRA take on the O-SEE ultra weekend: 50 km on one loop with 2,000 m of climbing. A solid step up into ultra distance, and the busiest of the long races.

Key facts
01Minimum age 18
02Ranked by racing class as well as sex and age group
03Team entries are ranked as well as solo
Create a free training plan for the O-SEE 75k 50 km
7-day free trial, no card required
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The course

The route

Hain
Distance51km
Total climb2,022m
StartElevation
0 kmDrag map to rotate47.9 km
Weather

Mid-October, Hain

13°CTypical high
5°CTypical low
-4°CColdest in 20 years
36%Days with rain

Highs around 13°C and lows around 5°C, but it has dropped to -4°C. Rain on 36% of days. Pack for the cold end, not the average.

NASA POWER data, 2006-2025, the week either side of race day
Results

Course verified. Results not yet available.

Organiser
OrganiserO-SEE Sports e.V.
Running since2025
Training

Training for the O-SEE 75k 50 km

We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.

Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.

GarminWahooPolarHammerheadIntervals.icu
What a O-SEE 75k 50 km plan targets
Typical sessions
51 km with 2,022 m of climbing
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Hill reps and vert to prepare the climbs and descents
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your O-SEE 75k 50 km plan.
7-day free trial, no card required.
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