The Rock CF Thumb Coast Marathon, Half Marathon and 5K

Get ready to hit the ground running at the thrilling Thumb Coast Marathon! Brought to life by the Rock CF Foundation and Trivium Racing, this event boasts a picturesque route from historic downtown Caseville to the vibrant finish line in Port Austin. With Lake Huron's breathtaking views alongside you, this flat and fast course promises to be as scenic as it is satisfying.

Suit up for the Full Marathon, Half Marathon, or make a swift dash in the 5K, knowing your strides make a difference. Every step you take helps the Rock CF Foundation support individuals battling cystic fibrosis nationwide. Chart your course to victory and a good cause—detailed maps are coming soon to guide your journey. You're not just reaching a personal best; you're racing for a brighter future!