The Rock CF Thumb Coast Marathon is a premier running event taking place on November 8, 2026. This point-to-point race starts in downtown Caseville and finishes in downtown Port Austin, offering runners a beautiful, fully paved course along Michigan's scenic Thumb Coast. Whether you are running the full marathon, half marathon, or 5K, this event provides a challenging and rewarding experience for athletes of all levels. Join us for a day of community, fitness, and coastal views.
What to Expect
A well-organized race with beautiful views along the Lake Huron shoreline.
Who Should Attend
Marathon runners
Half marathoners
5K participants
Running enthusiasts
Agenda Overview
The race takes place on November 8, 2026, with start and finish lines in Caseville and Port Austin.
Venue & Address
Port Austin Market (IGA)
8677 Lake St Port Austin , Michigan – 48467 United States
Organizer
Rock CF / Trivium Racing · Organization
Organizers of the Thumb Coast Marathon, dedicated to running events and community support.
Frequently Asked Questions
Where does it start?
The race starts in downtown Caseville.
Where does it finish?
The race finishes in downtown Port Austin.
What distances are available?
Marathon, half marathon, and 5K.
Is the course paved?
Yes, the entire course is fully paved.
How do I register?
Registration is available through the Rock CF or Trivium Racing websites.
Who organizes this?
Rock CF and Trivium Racing.
Tags
Marathon
Running
Port Austin
Michigan
Race
Sports
Summary
A scenic marathon race from Caseville to Port Austin, MI.