Relay Iowa is the world’s longest relay race and a truly one-of-a-kind event supporting a great cause. This non-profit relay covers the entire state of Iowa, offering runners an unforgettable team experience filled with challenge, camaraderie, and purpose. Whether you’re a competitive runner looking to push your limits or a casual runner wanting to be part of something bigger, Relay Iowa welcomes all paces and abilities. Don’t have a team? No problem — you can register as a free agent and get matched with other participants to join the adventure. Experience the ultimate test of endurance, teamwork, and community spirit at Relay Iowa, where every step makes a difference.