Details:
The Rock CF Thumb Coast Marathon, Half Marathon, and 5K returns to Michigan’s Thumb on Sunday, November 8, 2026, following an unforgettable first year. This second edition brings runners back to the flat, fast, USATF-certified course stretching along the Lake Huron shoreline.
The Marathon is a Boston Qualifier, and both the Marathon and Half Marathon will once again feature pace teams from Beast Pacing to help you dial in your goal. Starting in Caseville and finishing in downtown Port Austin, this point-to-point race blends speed, scenic coastal views, and small-town hospitality—making it an ideal fall race-cation.
Why run Thumb Coast?
Fast & Flat: PR- and BQ-friendly Marathon & Half
Pace Teams: Reliable support from Beast Pacing
Cool Temps: Crisp November race weather
Run for a Cause: Every entry supports the Rock CF Foundation
Awesome Swag
Registration opens on January 1st, 2026. Learn more: runsignup.com/rockcfthumbcoast
Advanced Event Data:
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Event Tags:
5k,half marathon,marathon,pace teams,rock cf foundation,rock cf thumb coast marathon,seasonal
Event Categories:
Sports, Adult
Event ID:
6968237c61e0a1d8fcc6aee4
