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

Wed October 1 - Sun November 2, 2025 Port Austin, MI 48467 US Directions

Course Marshal High Priority

At least 1 more volunteer needed.

Aid Station

At least 1 more volunteer needed.

Half/Full Finish Line: Setup

At least 1 more volunteer needed.

Half/Full Finish Line: Tear-down

At least 1 more volunteer needed.

Half/Full Finish Line: Finish Medals

At least 1 more volunteer needed.

Half Marathon Starting Line: Setup

At least 1 more volunteer needed.

Half Marathon Starting Line: Tear-down

At least 1 more volunteer needed.

Marathon Starting Line: Setup

At least 1 more volunteer needed.

Marathon Starting Line: Tear-down

At least 1 more volunteer needed.

Packet Pickup

At least 1 more volunteer needed.

Race Info Rock CF & Trivium Racing Refund Policy Results
Event Info Sponsors Race Insurance
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