Wzgórzowa Trzynastka 2026

Wzgórzowa Trzynastka 2026 is an extreme cross-country run taking place on October 11, 2026, in Chrząszczyce, Opolskie. The event offers various distance categories, from short formats for beginners to half-ironman or ironman distances. Detailed information about the swimming, cycling, and running segments can be found in the race regulations.