The Rock CF Thumb Coast Marathon, Half Marathon, and 5K – Port Austin, MI 2026
Date
November 8, 2026
Location
Port Austin, MI
Venue
8774 Lake St. Port Austin
Start Time
8:00 AM
Entry Fee
$23.00 – $140.00
Events
Marathon, Economy Marathon, Half Marathon, Economy Half Marathon, 5K, Economy 5k
Includes
Crewneck
Register NowRegistration Open
Rock CF Thumb Coast Marathon, Half Marathon & 5K – November 8, 2026 The Rock CF Thumb Coast Marathon, Half Marathon, and 5K is coming to Michigan on Sunday, November 8, 2026. This second year event offers a flat, fast, fully paved, USATF-certified course stretching across Michigan’s Thumb. The Marathon is a Boston Qualifier, and both the Marathon and Half will include pace teams from Beast Pacing to help you hit your goals. Starting in Caseville and finishing in downtown Port Austin, this point-to-point race delivers the perfect combination of speed, scenery, and small-town charm. Whether you’re chasing a PR, running your first race, or planning a fall race-cation, the Rock CF Thumb Coast Marathon has it all. Race Details Date: Sunday, November 8, 2026 Distances: Marathon, Half Marathon, 5K Locations: Marathon starts in Caseville, Half Marathon in Sleeper State Park, 5K in downtown Port Austin—all finishing in Port Austin, Michigan Course: Fully paved, flat, USATF-certified; Marathon i
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