The Rock CF Thumb Coast Marathon, Half Marathon, and 5K
About the Event
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 is a Boston Qualifier
Why Run Rock CF Thumb Coast Marathon?
- Fast & Flat: The Marathon and Half feature fully paved, USATF-certified courses, ideal for personal bests and Boston qualification.
- Pace Teams: Beast Pacing will guide Marathon and Half Marathon participants with consistent splits.
- Cool November Temps: Crisp, race-ready weather on Michigan’s Thumb sets the stage for strong performances.
- Run for a Cause: Every registration supports the Rock CF Foundation and its mission to improve the lives of people living with cystic fibrosis.
- Unique Experience: Traverse Michigan’s Thumb from one side to the other, while 5K runners loop around downtown Port Austin and finish in time to cheer on the Half and Full finishers.
- Race Extras: Participant swag includes exclusive gear, plus referral incentives that give you money back when friends join.
- Destination Vibes: Enjoy a fall weekend on Michigan’s Thumb Coast, complete with small-town hospitality, Lake Huron views, and a lively finish line atmosphere.
More Than Just a Race
Your experience at the Rock CF Thumb Coast Marathon goes beyond the miles. Every step helps fund the Rock CF Foundation, a nonprofit dedicated to supporting individuals living with cystic fibrosis through awareness, advocacy, and action. By racing with us, you’re not only pushing your own limits—you’re helping power life-changing programs and research.
Ready to run Michigan’s Thumb? Don’t wait—register today for the Rock CF Thumb Coast Marathon, Half Marathon, and 5K on November 8, 2026 and be part of a flat, fast, meaningful race experience on the shores of Lake Huron.
Join fellow runners on November 8, 2026 for the The Rock CF Thumb Coast Marathon, Half Marathon, and 5K. It's a fantastic Marathon, Half-Marathon, 5K featuring a flat and fast course in Port Austin.
Races Offered
Running
Marathon
Economy Marathon
This option is for those that want a great race, but not a race sweatshirt or finisher's medal.
Half Marathon
Economy Half Marathon
This option is for those that want a great race, but not a race sweatshirt or finisher's medal.
5K
Economy 5k
This option is for those that want a great race, but not a race sweatshirt or finisher's medal.
Virtual Marathon
Select the Virtual Race option and complete the race distance on your own time. Packets will be mailed.
Virtual Half Marathon
Select the Virtual Race option and complete the race distance on your own time. Packets will be mailed.
Virtual 5k
Select the Virtual Race option and complete the race distance on your own time. Packets will be mailed.
About Port Austin
The Rock CF Thumb Coast Marathon, Half Marathon, and 5K takes place in Port Austin, Michigan, United States. The local timezone is America/Detroit.
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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.