Rock CF Thumb Coast Marathon, Half Marathon & 5K
Port Austin, MI
- 5K
- Half
- Marathon
About the race
The Rock CF Thumb Coast Marathon, Half Marathon & 5K is back on Sunday, November 8, 2026. This second year event offers a flat, fast, fully paved, USATF-certified course stretching across Michigan’s beautiful Lake Huron coastline. The Marathon is a Boston Qualifier, and both the Marathon and Half will include pace teams 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 information supplied by the organizer through RunSignUp.
Events & distances
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Marathon
26.2 Miles
$150.40 including processing fees
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Economy Marathon
26.2 Miles
$108 including processing fees
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Half Marathon
13.1 Miles
$113.30 including processing fees
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Economy Half Marathon
13.1 Miles
$70.90 including processing fees
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5K
3.1 Miles
$48 including processing fees
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Economy 5k
5K
$31 including processing fees
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Virtual Marathon
26.2 Miles · Virtual · $50
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Virtual Half Marathon
13.1 Miles · Virtual · $50
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Virtual 5k
5K · Virtual · $50