Not affiliated with this event. Official website. We may earn a commission on registrations.
Not affiliated with this event. Official website. We may earn a commission on registrations.
The Thumb Coast Ultra & Relay offers a unique spring adventure across Michigan’s scenic Thumb region. The 50-mile point-to-point course takes runners from the shores of Lake Huron in Harbor Beach to the Saginaw Bay in Caseville, while the 50K provides a flat out-and-back experience. Featuring mostly dirt and unimproved rural roads, the course is remarkably flat, making it an excellent choice for both first-time ultrarunners and veterans chasing a personal best. Participants can enjoy a supportive atmosphere with well-stocked aid stations and the camaraderie of fellow runners, ruckers, and relay teams. Those tackling the 50-mile distance who finish before sunset earn a special prize, adding an extra layer of motivation to this endurance challenge. It is a perfect way to experience the quiet beauty of the region just before the summer crowds arrive.
Caseville, 6400 Main St, Caseville, MI, 48725, US












































































