DateExpected
Mid September 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Start: Międzybrodzie Bialskie
Start: Międzybrodzie Bialskie
Countdown
September
The long one of the weekend: 42.8 km point to point with almost 2,500 m of climbing. A proper mountain day for runners who want a marathon-plus challenge.
Create a free training plan for the Maraton Trzech Jezior 43 km
7-day free trial, no card required
The course
The route
Start: Międzybrodzie Bialskie
Distance43km
Total climb2,492m
StartElevation
0 kmDrag map to rotate41.9 km
Results
Course verified. Results not yet available.
Organiser
OrganiserFundacja „Kraina Gór i Jezior”
Websitemaraton3jezior.com
Instagram@maraton3jezior
Running since2021
Training
Training for the Maraton Trzech Jezior 43 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 Maraton Trzech Jezior 43 km plan targets
Typical sessions
43 km with 2,492 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 Maraton Trzech Jezior 43 km plan.
7-day free trial, no card required.
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