DateExpected
Late August 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Centrum Informacji Turystycznej przy Jaskini Niedźwiedziej, Parking Jaskinia Niedźwiedzia, Kletno
Kletno, powiat kłodzki
Countdown
August
The full Kletno ultra: 51 km and around 2,000 m of climbing, starting early to give you a long day on the trails. Eleven hours is generous but you will use it.
Key facts
0111-hour cut-off
02Four aid stations on the course
03Minimum age 16
Create a free training plan for the Bieg Jaskiniowego Niedźwiedzia 51 km
7-day free trial, no card required
The course
The route
Kletno
Distance51km
Total climb2,050m
StartElevation
0 kmDrag map to rotate49.9 km
Weather
Late-August, Kletno
23°CTypical high
12°CTypical low
5°CColdest in 20 years
40%Days with rain
Highs around 23°C and lows around 12°C, but it has dropped to 5°C. Rain on 40% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01DAMIAN BARAŃSKI04:31:3311.3 km/h
02TOMASZ STANKIEWICZ04:41:1510.9 km/h
03TOMASZ PILARSKI04:44:3910.8 km/h
113
Finishers
7:45:29
Median time
6.6 km/h
Median speed
Overall · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
OrganiserStowarzyszenie Przyjaciół Jaskiniowego Niedźwiedzia
Websitejaskiniowy.pl
Instagram@biegjaskiniowegoniedzwiedzia
Running since2022
Training
Training for the Bieg Jaskiniowego Niedźwiedzia 51 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.
Intervals.icuWhat a Bieg Jaskiniowego Niedźwiedzia 51 km plan targets
Typical sessions
51 km with 2,050 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
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Get your Bieg Jaskiniowego Niedźwiedzia 51 km plan.
7-day free trial, no card required.
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