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

Join us on 11/02/2025

The Rock CF Thumb Coast Marathon, Half Marathon, & 5K Race Description

CASEVILLE TO PORT AUSTIN, MICHIGAN

Point-to-point. Fully Paved, USATF Certified Course on Michigan's Thumb Coast.

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 on November 2nd, 2025. Starting in historic downtown Caseville, Michigan, this point-to-point course will travel east with a downtown finish in beautiful Port Austin, Michigan. 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.

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Add to my calendar 2025-11-02 08:00:00 2025-11-02 08:00:00 America/New_York The Rock CF Thumb Coast Marathon, Half Marathon, & 5K Port Austin, MI Megan Warzecha megan@triviumracing.com

The Rock CF Thumb Coast Marathon, Half Marathon, & 5K Where & When

Location: Port Austin, MI 48467
Race Date: 2025/11/02 08:00:00 AM (Sunday)

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Port Austin, MI Weather

Port Austin, MI current weather

34.1℉ Clouds

Join us at the The Rock CF Thumb Coast Marathon, Half Marathon, & 5K in November for a great race. The The Rock CF Thumb Coast Marathon, Half Marathon, & 5K works hard to deliver you a memorable race experience. We would love to hear from you, so consider writing us a review.

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