Bieg Oborygena is a cross-country race day in Oborniki Śląskie, organized by Stowarzyszenie Oborygeni. It begins at 10:00 AM, offering 10.4 km and 5.4 km running courses. A distinct 10.4 km Nordic Walking event is also available.
The event features children's races, catering to families and adults seeking a brief off-road competition. The organizers describe it as the most popular race in Lower Silesia, suggesting a summer event with a local, spirited character, distinct from a formal city marathon.