DateExpected
Mid August 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Tereny Rekreacyjne Błonia, Bielsko-Biała
Bielsko-Biała
Countdown
August
The big one of the weekend: 42 km with 2,560 m of climbing, so a proper mountain marathon where the hills matter more than the clock.
Key facts
01Adults only: 18 or older under the published regulations
Create a free training plan for the Letni Bieg Zbója 42 km
7-day free trial, no card required
The course
The route
Bielsko-Biała
Distance42km
Total climb2,560m
StartElevation
0 kmDrag map to rotate42.9 km
Weather
Mid-August, Bielsko-Biała
26°CTypical high
14°CTypical low
7°CColdest in 20 years
41%Days with rain
Highs around 26°C and lows around 14°C, but it has dropped to 7°C. Rain on 41% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01Robert Heczko4:03:2610.4 km/h
02Paweł Nawrot4:11:0410.0 km/h
03Jakub Ploch4:37:469.1 km/h
346
Finishers
7:06:53
Median time
5.9 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
Training
Training for the Letni Bieg Zbója 42 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 Letni Bieg Zbója 42 km plan targets
Typical sessions
42 km with 2,560 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 Letni Bieg Zbója 42 km plan.
7-day free trial, no card required.
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