Semimaraton Zărnești Challenge 2025

Semimaraton Zărnești Challenge is a trail running event held on 1 November 2025 in the Brebina area of Zărnești at the foot of the Piatra Craiului mountains. The course crosses forest roads and paths with different inclinations, offering spectacular autumn landscapes. Participants can choose between three races: a 21 km half marathon, a 10 km cross-country run and a 5 km sprint. Trail shoes are recommended.