The Valkyrie Full-Course Relay spans over 102 miles of Durango's spectacular city and naturescapes. The event features teams of up to 9 (4 - 9) specialized competitors exchanging between road running, trail running, mountain biking, stand-up paddle boarding, open water swimming, road cycling, and canoe/kayak paddling. Ultra athletes can compete as single "Ultra Heptathletes" or as Ultra Duos and Trios.