Bieg Soczewka is a cross-country running event held in Soczewka, near Płock. Its forest routes encircle Lake Soczewka. The adult race distances are 5.8 km and 11.6 km, each based on a 5.8 km loop. The event also includes Nordic Walking and short children’s races.
The primary routes follow forest tracks around the lake, featuring mixed surfaces instead of a road-race feel. Nordic walkers complete one loop. Children’s races range from 60 m, 250 m, to 500 m along the lakeside paths. Registration is online, with a participant cap of 350. Timing is managed via chips in race numbers, and all finishers receive a commemorative medal. The organizer offers changing rooms, drinks, refreshments, and prizes including trophies, statuettes, and material awards for various classifications.