DateExpected
Mid September 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Budatín Castle, Žilina
Žilina, Žilinský kraj
Countdown
September
The shortest way into Big Bear's: 40 km from Turie to Budatín Castle with 2,000 m of climbing. A solid mountain run, and a mid-afternoon start.
Key facts
019-hour cut-off
02Ages 15 to 17 need organizer approval and a parent at check-in
03Insurance must cover mountain-rescue costs in Slovakia
Create a free training plan for the Big Bear's Ultra 40 km
7-day free trial, no card required
The course
The route
Žilina
Distance40km
Total climb2,000m
StartElevation
0 kmDrag map to rotate41.6 km
Weather
Mid-September, Žilina
18°CTypical high
8°CTypical low
0°CColdest in 20 years
38%Days with rain
Highs around 18°C and lows around 8°C, but it has dropped to 0°C. Rain on 38% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01Alexandra JADROŇOVÁ05:31:587.2 km/h
02Ĺubica ŠČERBA (Lubica SCERBA)05:36:277.1 km/h
03Mirka ĎURIŠOVÁ (MIRKA DURISOVA)05:49:176.9 km/h
19
Women finishers
6:50:59
Median time
5.8 km/h
Median speed
Women · 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 Big Bear's Ultra 40 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 Big Bear's Ultra 40 km plan targets
Typical sessions
40 km with 2,000 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 Big Bear's Ultra 40 km plan.
7-day free trial, no card required.
Other races at Big Bear's Ultra
More events in September in Slovakia
