100km, open race Run Winschoten

The NK 50km is a 50-kilometre ultrarun in Winschoten, part of the Run Winschoten event. It is a single-distance race for men and women, with both fields starting together in the morning. Stichting Ultraloop Winschoten organizes the event, which is affiliated with the Atletiekunie. The race is capped at 2,000 participants. Runners receive practical race-day support, including public transport access, parking, changing rooms, showers, first aid, AEDs, massage services, and a supervised cloakroom. Late registration is not permitted, so planning ahead is necessary to secure a spot on the start list.