10th edition, organized with the Municipality of Zitsa. Loop route starting and finishing in Voutsaras village (32nd km of the old Ioannina–Igoumenitsa road), via Ekklisiochori and Kourenta and largely along the Kalamas river, including the historic "Salt Road" path on its north bank. Surface: dirt, technical singletrack, cobbled paths and farm roads; first and last metres on asphalt. Electric mountain bike (e-bike) category on the Saturday marathon course. Saturday race: 4 aid stations (water, soft drinks; fruit at the finish). Technical briefing 14:45; BBQ party at 20:30. Top 5 receive awards. Route: https://connect.garmin.com/modern/activity/22586013391. Minimum age: 15 (under 18 need a parental declaration). Saturday + Sunday combined entry: €50. Entry includes insurance, first aid, T-shirt, medal, water and refreshments, high-resolution photos, bib, electronic timing and a full meal on Saturday. Red Cross Ioannina medical cover along the course; fully equipped Health Centre in the village. Bib pickup at the race office at the start/finish (Saturday midday, Sunday from 08:00). Camping area with showers, toilets and parking next to the start. Contact: kalamasrivertrails@outlook.com | Nikolaou Nikolaos: 6944 788 431.