Backyard Ultra Piekielki

Backyard Ultra Piekiełki is a backyard ultra held in June in Piekiełki, near Starogard Gdański, Poland. Participants begin a 6.7 km loop each hour; those unable to complete the loop within the hour are eliminated. The event has a limited field, with published caps between 50 and 70 runners. Timing is provided, and the entry details indicate no start fee. The course consists of hard ground and dirt roads, with the organizer classifying it as difficult. Michał Sitarek and Joanna Kozłowska are the race organizers. Historical results demonstrate the event can extend well into the following day or longer. Winning distances recorded include 321.888 km by Mateusz Tatara and 207.886 km by Patryk Świętochowski. Karolina Sarach has achieved top women's results, exceeding 100 km.