Sudecka 100

Sudecka 100 is the oldest night ultramarathon in Poland, held in the mountain terrain of Boguszów-Gorce. The course is demanding and full of excitement, giving participants the chance to test themselves over 100 km. In 2026, organizers are introducing a new event—the Sudecki Morning Half Marathon over 21 km—as well as a Night Mountain Marathon over 42 km. The event attracts runners from across the country, offering generous race packs and plenty of attractions, including personalized medals and aid stations along the course.

Medal personalization (first name, last name, time) is available during registration. Aid stations along the course and a stand selling sports nutrition and running accessories. Free accommodation from June 27 at 12:00 to June 29 at 12:00. The participant limit for the 21 km and 42 km distances is 200; there is no limit for the 100 km distance. A demanding course in mountain terrain, medal personalization, sports nutrition and accessories available, accommodation from Friday to Sunday, and a course that is marked for most of its length.