Wielka Pętla Izerska w ramach Izerskiego Weekendu Biegowego

The Great Izerska Loop is a scenic half marathon held as part of the Izerski Running Weekend in Szklarska Poręba. The route runs through the streets of the town and along the trails of the Izerskie Mountains, offering runners contact with nature and mountain scenery. The race is recreational and sports-oriented, promoting physical activity and popularizing running. Participants use electronic timing, and the time limit to complete the course is 3 hours.

Timing is measured with a chip mounted in the start number, which cannot be removed. The time limit to complete the course is 3 hours from the start. Participants shortening the route are disqualified. The event includes various distances, including 5 km, 10 km, and Nordic Walking, with online registration and routes in mountain terrains. It has been held since 2013, featuring well-known athletes and course records.