Ostrovit Bieg Nocny

The OstroVit Night Run is a charity road race in Zambrów, Poland, offering 5 km and 10 km distances after dark. The race utilizes a PZLA-certified course. The format includes a short city race, electronic timing, a 1 hour 30 minute time limit, and a participant cap of 500. The entry fee benefits local causes, such as medical equipment for the hospital and support for children and young people in Zambrów. The start and finish are located on Przemysłowa Street. The course is characterized as fast, flat, and runs through illuminated city streets. Previous editions attracted participants from Zambrów County and surrounding towns like Łomża, Białystok, Warsaw, Ostrów Mazowiecka, Ostrołęka, Pisz, and Grajewo. One past event recorded 212 finishers, with 141 completing the 5 km and 71 the 10 km. All finishers were awarded a medal, and top runners received prizes. Organizers noted it as Zambrów's first event of its kind.