Date
Sat, 28 Nov 2026
Start
10:00
Venue
Hamr na Jezeře
Hamr na Jezeře, okres Česká Lípa
Countdown
November
The long course of a late-November trail weekend: 33 km with real climbing, and two cut-offs that keep you honest. Runners get a full day out, with a 7-hour limit.
Key facts
01Cut-off at km 15: reach it within 3 hours
02Cut-off at km 25: reach it within 5 hours
037-hour overall finish limit
Create a free training plan for the Čertovskej wintertrail 33 km
7-day free trial, no card required
The course
The route
Hamr na Jezeře
Distance33km
Total climb1,182m
StartElevation
0 kmDrag map to rotate31.6 km
Weather
Late-November, Hamr na Jezeře
3°CTypical high
-2°CTypical low
-18°CColdest in 20 years
38%Days with rain
Highs around 3°C and lows around -2°C, but it has dropped to -18°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
2025 results
Who finishes, and how
#RiderTimeAvg speed
01Václav Hladík01:17:4425.7 km/h
02Michal Francke01:26:0623.2 km/h
03Alexandra Fraňková01:27:1922.9 km/h
382
Finishers
3:49:06
Median time
8.7 km/h
Median speed
Overall · 2025 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
OrganiserRupertus z.s.
Websitecertovskej-ultratrail.cz
Instagram@certovskej.ultratrail
Running since2017
Training
Training for the Čertovskej wintertrail 33 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 Čertovskej wintertrail 33 km plan targets
Typical sessions
33 km with 1,182 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
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 Čertovskej wintertrail 33 km plan.
7-day free trial, no card required.
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