Event Description Endurafest is the Midwest's Premier Endurance Festival held at the historic National Park of Speed, Road America! Event Location & Accomodations Trending Events Memorial Day 1M, 5K, 10K, 13.1, 26.2 – Benefitting Operation Gratitude - SAN FRANCISCO Twin Cities Women's Half Marathon and 5K presented by Hy-Vee Dog Days of Summer 5k