The Rock CF Thumb Coast Marathon, Half Marathon, and 5K
From Trivium Racing
- Date Sun 2nd November 2025
- Time 8:00AM EST
- Location Port Austin, Michigan
- Price $29.00 - $129.20
- Races 9 races
- Distances Marathon, Half Marathon, 5km
Event summary
Get ready for an exhilarating experience at the Rock CF Thumb Coast Marathon, Half Marathon, and 5K, hosted by Trivium Racing on Sunday, November 2, 2025! Set against the stunning backdrop of Port Austin, Michigan, this inaugural event promises a flat and fast course, perfect for those looking to achieve personal bests or even qualify for the Boston Marathon. The race kicks off in Caseville for marathon runners, while half marathon participants will start at Sleeper State Park, and the 5K will loop around the charming downtown area of Port Austin, all culminating in a vibrant finish line atmosphere.
With the support of pace teams provided by Beast Pacing, runners can confidently tackle their goals in the cool, crisp November weather of Michigan's Thumb. Not only is this race an opportunity for a memorable fall race-cation, but it also supports a great cause—the Rock CF Foundation, dedicated to improving the lives of those living with cystic fibrosis. Join us for a unique running experience that combines speed, scenery, and community spirit. Don’t miss out—register today for the Rock CF Thumb Coast Marathon, Half Marathon, and 5K, and be part of a meaningful race that makes every mile count!
With the support of pace teams provided by Beast Pacing, runners can confidently tackle their goals in the cool, crisp November weather of Michigan's Thumb. Not only is this race an opportunity for a memorable fall race-cation, but it also supports a great cause—the Rock CF Foundation, dedicated to improving the lives of those living with cystic fibrosis. Join us for a unique running experience that combines speed, scenery, and community spirit. Don’t miss out—register today for the Rock CF Thumb Coast Marathon, Half Marathon, and 5K, and be part of a meaningful race that makes every mile count!
Organiser's Description
ROCK CF THUMB COAST MARATHON, HALF MARATHON & 5K NOVEMBER 2, 2025
The Rock CF Thumb Coast Marathon, Half Marathon, and 5K is coming to Michigan on Sunday, November 2, 2025. This inaugural event offers a flat, fast, fully paved, USATF-certified course stretching across Michigans 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 youre 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 2, 2025
DISTANCES: Marathon, Half Marathon, 5K
LOCATIONS: Marathon starts in Caseville, Half Marathon in Sleeper State Park, 5K in downtown Port Austinall 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 Michigans 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 Michigans 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 Michigans 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 [https://www.letsrockcf.org/], a nonprofit dedicated to supporting individuals living with cystic fibrosis through awareness, advocacy, and action. By racing with us, youre not only pushing your own limitsyoure helping power life-changing programs and research.
Ready to run Michigans Thumb? Dont waitregister today for the Rock CF Thumb Coast Marathon, Half Marathon, and 5K on November 2, 2025 and be part of a flat, fast, meaningful race experience on the shores of Lake Huron.
The Rock CF Thumb Coast Marathon, Half Marathon, and 5K is coming to Michigan on Sunday, November 2, 2025. This inaugural event offers a flat, fast, fully paved, USATF-certified course stretching across Michigans 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 youre 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 2, 2025
DISTANCES: Marathon, Half Marathon, 5K
LOCATIONS: Marathon starts in Caseville, Half Marathon in Sleeper State Park, 5K in downtown Port Austinall 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 Michigans 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 Michigans 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 Michigans 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 [https://www.letsrockcf.org/], a nonprofit dedicated to supporting individuals living with cystic fibrosis through awareness, advocacy, and action. By racing with us, youre not only pushing your own limitsyoure helping power life-changing programs and research.
Ready to run Michigans Thumb? Dont waitregister today for the Rock CF Thumb Coast Marathon, Half Marathon, and 5K on November 2, 2025 and be part of a flat, fast, meaningful race experience on the shores of Lake Huron.
Races
-
Marathon
Incl. $9.20 Fee & Crewneck
Sun 2nd November 2025 (8:00AM EST)
$129.20
-
Economy Marathon
Incl. $7.40 Fee
Sun 2nd November 2025 (8:00AM EST)
$97.40
This option is for those that want a great race, but not a race shirt or finisher's medal. -
Half Marathon
Incl. $7.10 Fee & Crewneck
Sun 2nd November 2025 (8:30AM EST)
$92.10
-
Economy Half Marathon
Incl. $5.30 Fee
Sun 2nd November 2025 (8:30AM EST)
$60.30
This option is for those that want a great race, but not a race shirt or finisher's medal. -
5k
Incl. $5.00 Fee & Crewneck
Sun 2nd November 2025 (9:00AM EST)
$45.00
-
Economy 5k
Incl. $4.00 Fee
Sun 2nd November 2025 (9:00AM EST)
$29.00
This option is for those that want a great race, but not a race shirt or finisher's medal. -
Virtual Marathon
Incl. $5.00 Fee & Crewneck
$55.00
Select the Virtual Race option and complete the race distance on your own time. Packets will be mailed. -
Virtual Half Marathon
Incl. $5.00 Fee & Crewneck
$55.00
Select the Virtual Race option and complete the race distance on your own time. Packets will be mailed. -
Virtual 5k
Incl. $5.00 Fee & Crewneck
$55.00
Select the Virtual Race option and complete the race distance on your own time. Packets will be mailed.
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The Rock CF Thumb Coast Marathon, Half Marathon, and 5K
