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TrailPolandSilesian Voivodeship

Maraton 3 Jezior / Three Lakes Marathon 2026

19.09 – 20.09.2026Międzybrodzie Bialskie (Poland)
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2’5668’419 m D+ ft D+

43 km26.7 mi42 KMlongest of 4 courses

At a glance

Maraton 3 Jezior / Three Lakes Marathon 2026 took place from Saturday 19 to Sunday 20 September 2026 in Międzybrodzie Bialskie (Silesian Voivodeship, Poland). 4 courses from 3 to 43 km.

Longest course: 43 km with 2’566 m D+ (60 m per km: very steep terrain).

The 2027 edition is expected on Saturday 18 September 2027, date to be confirmed by the organiser. On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

The Maraton 3 Jezior is a mountain running festival in the Lesser Beskids, with a main ultra-marathon distance of 43 km and 2492 m of positive elevation gain. The race crosses forests and meadows and…
From the organiser

4 courses

  1. 3km1.9mi

    596 m D+1’955 ft D+

    avg 20%

    Czupel Vertical
    No index

  2. 16km9.9mi

    1’190 m D+3’904 ft D+

    avg 7%

    The Wallachian Shepherds Trail
    ITRA 1

  3. 22km13.7mi

    1’526 m D+5’007 ft D+

    avg 7%

    Rollercoaster 21
    ITRA 1

  4. 43km26.7mi

    2’566 m D+8’419 ft D+

    avg 6%

    42 KM
    ITRA 2

GPX trace not yet published.

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Start

Międzybrodzie Bialskie (Poland)

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