Rock CF Thumb Coast Marathon

Home
United States
Port Austin, MI
Rock CF Thumb Coast Marathon

Join the Rock CF Foundation and Trivium Racing on November 8th, 2026 and race in Michigan's thumb! Marathon · Half Marathon · 5K.

Experience the beauty of this storied coastline on a flat, fast, USATF-certified course.

09/21/2026

November 8 is getting closer. Mornings are cool. Goals are coming into focus.

First Marathon. First Half. A PR. A Boston qualifier. Or just a really good race after a summer of training through the heat.

That's what we want Thumb Coast to be.

A fast course. People around you going after it. Volunteers who care about your day. And Port Austin waiting for you at the end.

See you in seven weeks. ⚡️

Rock CF Thumb Coast Marathon, Half Marathon & 5K
November 8, 2026

09/16/2026

The mornings are getting a little cooler. Long runs are starting to feel a little more like fall, depending on the day. And the races we've been training for all summer are getting close.

We love this time of year.

And one of the things we're especially excited about with Rock CF Thumb Coast is that all of that training leads to a race that supports something bigger.

The Rock CF Foundation works to improve the quality of life for people living with cystic fibrosis through programs, scholarships, research initiatives, advocacy, and a community built around movement.

People living with cystic fibrosis also race with us for free.

So yes, we're excited for November 8. For cool weather. Fast running. First Marathons and Half Marathons. PR and BQ attempts. And that finish line in Port Austin.

But we're also really proud that we get to do all of it while supporting Rock CF. ⚡️

Rock CF Thumb Coast Marathon, Half Marathon & 5K
November 8, 2026

The 2026 Rock CF Thumb Coast Marathon, Half, and 5K is produced with the generous support of our Presenting Sponsor, Vertex.

09/08/2026

Two months to go.

Last November was the inaugural Rock CF Thumb Coast Marathon. We knew we had a great course, a great partnership with Rock CF, and a race we believed in.

Then people actually ran it.

They chased PRs and Boston qualifiers. Ran their first Marathons and Half Marathons. Hit the gong at the finish. Cheered for strangers. Told their friends about it. And told us they wanted to come back.

Now we're heading into year two, and this thing is growing.

We already have more Marathoners registered than we had on race day last year. The Half Marathon is almost there, too. And we still have two months to go.

That's the part we're really excited about.

More runners on the roads. More people chasing big goals together. More people finishing in Port Austin. More miles supporting the Rock CF Foundation and people living with cystic fibrosis.

Year two is going to be a good one.

See you November 8. ⚡️

09/06/2026

Registration prices increase tomorrow night.

If you're trying to decide if Thumb Coast works for you, here's what last year's runners told us:

“Great communication, wonderful course, volunteers at the aid stations were top notch!”

“This was my first half marathon, and I couldn't have asked for a better day.”

“Great staff, support, info, affordable shuttle, route, aid stations, and pacers.”

We're two months out. There's still time to train well, and we'll take care of the details.

Current pricing ends Monday, September 7 at 11:59 pm EST.

Rock CF Thumb Coast Marathon, Half Marathon & 5K
November 8, 2026
Port Austin, MI

More details at the link in the comments.

09/02/2026

Registration prices increase next Monday, September 7 at 11:59 pm EST.

By now, you probably have a pretty good idea what your fall race goals are.

Maybe you're going after a PR or BQ. Maybe you're stepping up to your first Marathon or Half. Maybe you just want a race worth the miles you're putting in right now.

We'll be ready for you.

Rock CF Thumb Coast Marathon, Half Marathon & 5K
November 8, 2026
Caseville to Port Austin, MI

Register by Monday night for current pricing.

More details at the link in the comments.

08/31/2026

Registration prices increase next Monday, September 7 at 11:59 pm EST. This is the final price increase before race day.

We're just over two months out from the Rock CF Thumb Coast Marathon, Half Marathon, & 5K.

Flat, USATF-certified courses. Pace teams. A point-to-point run along Lake Huron. A finish line in downtown Port Austin. And a race that supports the Rock CF Foundation and people living with cystic fibrosis.

If Thumb Coast has been on your fall race list, you've got one more week to register at current pricing.

November 8, 2026

More details at the link in the comments.

08/25/2026

The 2026 Rock CF Thumb Coast Marathon, Half, and 5K medal is here!

The stained glass medal design depicts the beauty of Michigan's Thumb - the sun, sky, water, lighthouse, and earth. The finish is brushed medal. Each distance has a different ribbon.

All regular and virtual finishers receive a medal. You also have the option to skip the swag and save some cash with economy registration.

We'll drop the link to registration in the comments. Don't wait too long; registration prices increase after September 7 at 11:59 pm EST.

We'll see you in the Thumb on November 8!

08/19/2026

Check out your packet pickup options for race weekend! Grab your bib and Sweatshirt (and any additional sweet swag you want to snag) early on Saturday or grab it at the start line on Sunday.

If you're taking a shuttle to the Marathon or Half Marathon start line and didn't pick up your bib on Saturday, you'll pick up your race packet at the shuttle check in in Port Austin. We'll have a gear check bag that will take your race swag (sweatshirt, etc.) back to the finish line for you.

08/12/2026

We're excited to welcome back Vertex as the Presenting Sponsor of the Rock CF Thumb Coast Marathon, Half Marathon, & 5K.

The Rock CF Thumb Coast Marathon exists to put on a great race while supporting the mission of the Rock CF Foundation and people living with cystic fibrosis.

Partners who believe in that mission make it possible.

We're grateful for Vertex's continued support of the Rock CF community and for helping make this year's race possible.

Thank you for being part of race weekend.

Rock CF Thumb Coast Marathon, Half Marathon & 5K

November 8, 2026

08/11/2026

It's three months until race day! A little over 13 weeks.

Training is starting get more specific. Long runs are getting longer. Dialing in nutrition and hydration. Starting to figure out race pace effort.

If you're still deciding on your fall race, here's what your Rock CF Thumb Coast Marathon, Half, & 5K registration includes:

• Point-to-point Marathon or Half Marathon with shuttle transportation available
• USATF-certified, beautiful Marathon and Half Marathon courses
• Boston Qualifier Marathon
• Participant crewneck sweatshirt
• Finisher's medal
• Pace teams for the Marathon & Half
• Free race photos
• Well-stocked aid stations
• Chip timing by Trivium Racing
• Finish line drinks and snacks
• Support for the Rock CF Foundation and people living with cystic fibrosis

Or skip the swag and save with Economy registration.

Three months will go by faster than you think.

Rock CF Thumb Coast Marathon, Half Marathon, & 5K
More details at the link in the comments.

Address

Port Austin, MI
48467

Website

https://runsignup.com/rockcfthumbcoast

Alerts

Be the first to know and let us send you an email when Rock CF Thumb Coast Marathon posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Business

Send a message to Rock CF Thumb Coast Marathon:

Want your business to be the top-listed Gym/sports Facility in Port Austin?