Embark on a trail-running adventure through the picturesque landscapes of Slovakia with the BBU races. Starting at the historic Budatín Castle, the BBU100+, BBU RELAY, and BBU20 races unfold amidst the undulating hills of Kysucká vrchovina, leading participants to the captivating peaks of Malá Fatra and the rugged beauty of Strážovské vrchy. The BBU60+ race commences under the majestic Strečno Castle, adding a touch of grandeur to the experience. All races culminate at the Budatín Castle, weaving a trail through three other castles along the way. This diverse route promises an exhilarating journey, featuring runnable meadows, enchanting forest paths, challenging ascents and descents, technical rocky sections, a refreshing river crossing, and an adrenaline-pumping 15 km stretch of dynamic climbs and descents. The BBU race in Slovakia is a fusion of historical charm, natural beauty, and trail-running excitement.