Skip to main content

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

Sun November 2 2025
Sign Up
Sign Up

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

Sun November 2, 2025 Port Austin, MI 48467 US Directions

Aid Stations

Aid stations featuring water, nutrition, and restrooms will be located throughout the duration of both the Marathon and Half Marathon courses. Map and grid of specific aid station locations will be published shortly. Check back for more information shortly!

Race Info Rock CF & Trivium Racing Results Race Insurance
Event Info Sponsors Find a Participant Group/Teams
Volunteer All Trivium Races Refund Policy

If you continue to use this site, you consent to use all cookies. We use cookies to offer you a better browsing experience. Read how we use cookies and how you can control them by visiting our Privacy Policy.

If you continue to use this site, you consent to use all cookies.