50 Miles Backyard Ultra: Find Your Challenge!

Looking for extreme running challenges? This page presents a list of 50 miles Backyard Ultra races. Browse the race calendar and choose from many options. Whether you're interested in running in Stockholm, Łódzkim, or perhaps in Warmińsko-Mazurskie Voivodeship, you'll find information about running events here. Check out our race calendar and find your next marathon or half marathon!

All races in Polska