Which Michigan cities have the most Half Marathon races?
Lansing (10), Grand Ledge (5), Corunna (5), Thompsonville (3) lead the state for Half Marathon races. Those give you the most dates to choose from if your schedule is tight.
Michigan · Half Marathon
Half Marathon Races in Michigan
Every upcoming Half Marathon in Michigan, all 72 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.
72 upcoming Half Marathon races · 51 with finish-time stats
By the numbers
The Biggest and Longest-Running
The Michigan races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.
Half Marathon Races by City
Soonest Half Marathon Races in Michigan
72 total Sat, Jul 25, 2026Queen City Half Marathon Marquette, MIFrom $5Details Sat, Aug 1, 2026Port Oneida Run Maple City, MIFrom $45Details Sat, Aug 1, 2026Ninja 5K, 10K, & 13.1M at Grand Ledge, MI (31) Grand Ledge, MIFrom $30Details Sat, Aug 8, 2026Will Run for Donuts Half Marathon, 5k + 1 Mile Westland, MIFrom $25Details Sat, Aug 8, 2026BRB - Back Roads Bound Half Marathon White Lake, MIFrom $40Details Sun, Aug 9, 2026"Bridge to Brew" Half Marathon and 5K Port Huron, MIFrom $40Details Sat, Aug 15, 2026Millington - Run Michigan Cheap Millington, MIFrom $25Details Sat, Aug 15, 2026Bay to Beacon - Half Marathon, 10K, & 5K Harrisville, MIFrom $15Details Sat, Aug 15, 2026Ninja 5K, 10K, & 13.1M at Corunna, MI (33) Corunna, MIFrom $30Details Sat, Aug 22, 2026Ninja 5K, 10K, & 13.1M at Lansing, MI (34) Lansing, MIFrom $30Register Fri, Sep 4, 2026Michigan Dogman Trail Series Thompsonville, MIFrom $45Details Fri, Sep 4, 2026Michigan Trail Fest Thompsonville, MIFrom $45Details
How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Jul 27, 2026.
Common Questions About Running a Half Marathon in Michigan
When are most Half Marathon races held in Michigan?
September is the busiest month for Half Marathon races in Michigan, with 24 of the 72, followed by October with 18. If you are flexible on the date, that is the quickest way to narrow things down.
How much do Michigan Half Marathon races cost?
Entry fees for Half Marathon races here run from $5 to about $70, depending on the event and how early you register.
How early should I register for a Half Marathon in Michigan?
33 of the 72 Half Marathon races in Michigan already have a price increase scheduled, so entry gets more expensive the longer you leave it. Race pricing almost always steps up as the date approaches, and signing up early is usually the cheapest option.
Are Michigan Half Marathon races beginner-friendly?
Yes, for the most part. Across the 45 Half Marathon races in Michigan with published results, the typical median finish is around 2:10:51, which means half of every one of those fields came in slower than that. Recreational runners and walk-runners are the bulk of these fields, not the exception.
Are there trail Half Marathon races in Michigan?
Yes, 14 races around Michigan get you off the pavement: 10 are trail races, and 4 mix road and trail. Surfaces are not always published, so it is worth checking a specific race before you register.