Bieg Kolarski o Puchar Henryka Sienkiewicza is the Łuków region's largest cycling event, held in May with its start and finish in Wola Okrzejska. Stowarzyszenie Rowerowy Łuków organizes it with support from the City of Łuków, targeting riders who want a competitive race without needing to be elite.
The race features a 23-kilometer loop. The Amator option consists of two laps for 46 km, and the PRO option uses four laps for 92 km. Riders are categorized by bike type into road-bike and other-bike classes, ensuring inclusivity for various equipment. Participation requires a functional bicycle, a helmet, and registration with payment via biegkolarski.pl.