Rumble on the Ridge
Arena, United States • 16 May 2026
Rumble on the Ridge is a challenging Last Person Standing ultramarathon held on a historic dairy farm near Arena, Wisconsin, in the scenic Driftless Area. Participants run a 1 to 1.25-mile loop called "The Drifty Mile," featuring 250-300 feet of elevation gain over mixed terrain including gravel roads, dirt trails, and prairie paths. Runners must complete each loop within 20 minutes, with the course direction reversing every four hours to keep the challenge fresh. The race continues until only one runner remains under the time limit. The event offers a vibrant atmosphere with a barnyard basecamp, aid stations, crew tents, camping options, and supports local trail development. Visit the organization's website for the most recent information.