Date
Wed, 6 Jan 2027
Start
14:00
Venue
Hala Legionów, ul
Ulsza, powiat strzeliński
Countdown
January
A friendly 15 km trail loop with modest climbing, and a mid-afternoon start that makes it an easy way into trail running.
Key facts
01Finish line closes at 18:00
02No course cut-off
03Under 18s need written parent or guardian consent (minimum age 16)
Create a free training plan for the ULTRA CK MARATON 15 km
7-day free trial, no card required
The course
The route
Ulsza
Distance15km
Total climb371m
StartElevation
0 kmDrag map to rotate15.1 km
Weather
Early-January, Ulsza
2°CTypical high
-2°CTypical low
-16°CColdest in 20 years
45%Days with rain
Highs around 2°C and lows around -2°C, but it has dropped to -16°C. Rain on 45% 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
OrganiserŚwiętokrzyskie Stowarzyszenie Kolarstwa Górskiego MTB CROSS; E-Czas / Bogdan Maziejuk
Websitemtbcross.pl
Instagram@mtbcrossmaraton_crossrun
Running since2022
Training
Training for the ULTRA CK MARATON 15 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 ULTRA CK MARATON 15 km plan targets
Typical sessions
15 km with 371 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
Entries open now
Get your ULTRA CK MARATON 15 km plan.
7-day free trial, no card required.
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