Fall in Michigan is a runner's season. The air turns crisp, the leaves go loud, and suddenly a Saturday morning long run feels less like a chore and more like the best part of your week. If you've been circling a half marathon on the calendar and waiting for the right moment to commit, this window is it — three upcoming races land between late October and the end of November 2026, spread across the state and across the full spectrum of fall running moods.
Here's the honest lineup, plus what makes each one worth a look.
Hot Cider Hustle - Grand Rapids Half Marathon, 10K & 5K
Saturday, October 31, 2026 — Walker, Michigan
Halloween morning, a half marathon, and a name that promises something warm at the end. This one lands in Walker, just outside Grand Rapids, and the distance menu means you can bring a friend who's not quite ready for 13.1 yet — the 10K and 5K give everyone a start line. Late October in Michigan is peak fall, so expect the kind of morning where you're glad you layered and even gladder you showed up. A quality score of 69 out of 100 puts it in Standout territory, and it's a natural pick if you want a race that feels festive without losing the running.
Rock CF Thumb Coast Marathon, Half Marathon & 5K
Sunday, November 8, 2026 — Port Austin, Michigan
Port Austin sits up on the Thumb, where the state meets Lake Huron and the horizon gets wide. This race offers a marathon, half marathon, and 5K, so it's a full weekend of options depending on where your training has landed. Early November on the coast means you should plan for weather that keeps you honest — but it also means a course and a setting you'll remember longer than your split times. A quality score of 48 out of 100 makes it a Solid Pick, and it's a good fit if you like your races with a little scenery and a lot of small-town charm.
Black Toenail Friday Half Marathon and 7.5 Miler - MI
Friday, November 27, 2026 — Commerce Township, Michigan
The day after Thanksgiving, most people are on the couch. You could be at a start line instead. Black Toenail Friday in Commerce Township leans right into that post-turkey, pre-leftovers window, and the name alone tells you the vibe — runners who know exactly what they're signing up for and are smiling about it anyway. There's a 7.5 miler alongside the half if you want a shorter taste. With a quality score of 69 out of 100, it's a Standout pick, and it's the kind of race that turns a holiday weekend into a story.
How to Choose
If you want fall color and a festive feel, look at the October 31 race in Walker. If you want a coastal setting and a full menu of distances, Port Austin on November 8 is your adventure. And if you want to earn your Thanksgiving dinner the day after, Commerce Township on November 27 is calling.
Whichever you pick, the practical move is the same: register now, then build your weeks backward from race day. Fall training in Michigan is forgiving — cooler air, softer light, and plenty of company on the trails and paths.
Find Your Next Michigan Half
This is just the upcoming window. To see every half marathon in the state — dates, cities, and what each race brings — head to our half marathons in Michigan directory. Whether this is your first 13.1 or one of many, there's a start line here with your name on it.