Half-Marathon races in Michigan, United States — 2026 running calendar

Sep

06

Run Branch County 5k & Half Marathon

Coldwater, Michigan, United States

$40.00 - $80.00

Running

5K Half-Marathon

Sep

11

Lake Superior Shore Run

Marquette, Michigan, United States

Free - $80.00

Running Trail running Walking

1.6K Half-Marathon 5K 8K

Sep

12

Mt. Baldhead Challenge

Saugatuck, Michigan, United States

$70.00 - $90.00

Trail running

10K Half-Marathon

Sep

13

2026 Holland Haven Marathon

Holland, Michigan, United States

$64.00 - $154.00

Running

Marathon Half-Marathon 8K

Sep

19

Medal Madness 5K, 10K, & 13.1M at Corunna, MI (38)

Corunna, Michigan, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Sep

19

Escanaba Fall Classic Half Marathon | 5K

Escanaba, Michigan, United States

$20.00 - $70.00

Running

Half-Marathon 5K

Sep

19

Capital City River Run

Lansing, Michigan, United States

$10.00 - $81.00

Running

1.6K Half-Marathon 5K

Sep

20

Detroit Women's Half Marathon, 10K, and 5K: Women Run the D Run/Walk

Detroit, Michigan, United States

Free - $125.00

Running

Half-Marathon 10K 5K +7

Sep

20

Golden Harvest Half Marathon & 5k/10k - Grand Rapids

Sand Lake, Michigan, United States

$22.00 - $82.00

Running

5K 10K Half-Marathon 1.6K

Sep

26

Golden Harvest Half Marathon & 5k/10k - Ann Arbor

Ann Arbor, Michigan, United States

$22.00 - $76.00

Running

5K 10K Half-Marathon 1.6K

Sep

26

Gentex Park2Park 1/2 Marathon & 5K for Neighbors Plus

Holland, Michigan, United States

$40.00 - $90.00

Running

Half-Marathon 5K

Sep

26

2026 Run Iron Mountain Half Marathon | 1OK | 5K | 1 Mile Fun Run

Iron Mountain, Michigan, United States

$10.00 - $160.00

Running

Half-Marathon 10K 5K 1.6K +1