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

🏃‍♂️Event Overview

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.

❤️Charity Impact

Your experience at this coastal marathon goes beyond just your own personal goals, as proceeds from this event go directly towards the Rock CF Foundation’s mission to support those living with cystic fibrosis around the country.

📍Race Details

• Full Marathon: Starts in Caseville and finishes in Port Austin.
• Half Marathon: Starts in Sleeper State Park and finishes in Port Austin.
• 5K: A loop around downtown Port Austin.
• Finish Line: Same location for Full and Half Marathons.

🗺️Course Maps

Detailed maps of all courses will be posted soon.

📅Event Date and Location

Date: 2025-11-02
Location: 8774 Lake St. Port Austin, Port Austin, MI

🌐Registration Link

For more details and to register, visit the official race page: The Rock CF Thumb Coast Marathon, Half Marathon, and 5K.