The Rock CF Thumb Coast Marathon, Half Marathon and 5K
From Trivium Racing
- Date Sun 2nd November 2025
- Time 12:00AM EST
- Location Port Austin, Michigan
- Price $45.00 - $102.70
- Races 6 races
- Distances 5km, Half Marathon
Event summary
Get ready for an unforgettable race experience at The Rock CF Thumb Coast Marathon, Half Marathon, and 5K on Sunday, November 2, 2025! Organized by Trivium Racing, this exciting event will take place in the picturesque town of Port Austin, Huron, offering runners a flat and fast course with stunning views of Lake Huron.
The Full Marathon will kick off in historic downtown Caseville, leading participants on a scenic journey to a vibrant finish line in Port Austin. Runners in the Half Marathon will start their race at Sleeper State Park and also finish in the charming downtown area. For those looking for a shorter challenge, the 5K race will offer a delightful loop around downtown Port Austin, all culminating in the same celebratory finish line. Not only will you have the chance to achieve your personal best, but by participating, you'll also be supporting the Rock CF Foundation's important mission to assist individuals living with cystic fibrosis across the country. Stay tuned for detailed maps of all courses, and prepare for a day filled with community spirit and inspiring determination!
The Full Marathon will kick off in historic downtown Caseville, leading participants on a scenic journey to a vibrant finish line in Port Austin. Runners in the Half Marathon will start their race at Sleeper State Park and also finish in the charming downtown area. For those looking for a shorter challenge, the 5K race will offer a delightful loop around downtown Port Austin, all culminating in the same celebratory finish line. Not only will you have the chance to achieve your personal best, but by participating, you'll also be supporting the Rock CF Foundation's important mission to assist individuals living with cystic fibrosis across the country. Stay tuned for detailed maps of all courses, and prepare for a day filled with community spirit and inspiring determination!
Organiser's Description
The Rock CF Foundation and Trivium Racing are excited to bring to life the Thumb Coast Marathon: a flat, fast course featuring stunning views of Lake Huron. Starting in historic downtown Caseville, this point-to-point course will travel east with a downtown finish in beautiful Port Austin.
Your experience at this coastal marathon goes beyond just your own personal goals, as proceeds from this event go directly towards the Rock CF Foundations mission to support those living with cystic fibrosis around the country.
The Full Marathon will start in Caseville and finish in Port Austin, whereas the Half Marathon will start in Sleeper State Park and finish at the same location in Port Austin. The 5K will be a loop around downtown Port Austin, featuring the same finish line as the Full and Half. Detailed maps of all courses will be posted soon.
Your experience at this coastal marathon goes beyond just your own personal goals, as proceeds from this event go directly towards the Rock CF Foundations mission to support those living with cystic fibrosis around the country.
The Full Marathon will start in Caseville and finish in Port Austin, whereas the Half Marathon will start in Sleeper State Park and finish at the same location in Port Austin. The 5K will be a loop around downtown Port Austin, featuring the same finish line as the Full and Half. Detailed maps of all courses will be posted soon.
Races
-
Marathon
Incl. $7.70 Fee & Crewneck
Sun 2nd November 2025 (8:30AM EST)
$102.70
-
Half Marathon
Incl. $6.50 Fee & Crewneck
Sun 2nd November 2025 (8:30AM EST)
$81.50
-
5k
Incl. $5.00 Fee & Crewneck
Sun 2nd November 2025 (8:30AM EST)
$45.00
-
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.
The Rock CF Thumb Coast Marathon, Half Marathon and 5K