Karel Sabbe runs 500K to win Big’s Backyard Ultra, Dauwalter takes U.S. crown

A pair of Belgian runners dominated the rest of the field, smashing the event record by almost 50K

After 50 hours, 9 runners remain in Big’s Backyard Ultra

Belgium, Sweden, Mexico and the U.S. all have runners left in the hunt for the win

WATCH: Karel Sabbe at the 2019 Barkley Marathons

The Belgian dentist’s documentary is required viewing for any Barkley fan