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

Ninja 5K, 10K, & 13.1M at Corunna, MI (33)

Corunna, Michigan, United States

15 Aug, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Bay to Beacon - Half Marathon, 10K, & 5K

Harrisville, Michigan, United States

15 Aug, 2026 (Sat)

$15.00 - $65.00

Running

Half-Marathon 10K 5K 1.6K

Ninja 5K, 10K, & 13.1M at Lansing, MI (34)

Lansing, Michigan, United States

22 Aug, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Cadillac YMCA Festival of Races

Cadillac, Michigan, United States

05 Sep, 2026 (Sat)

Free - $75.00

Running, Swimming

Marathon 5K 11.3K 1.6K +3

Aliferis Memorial Race

Alpena, Michigan, United States

05 Sep, 2026 (Sat)

$20.00 - $25.00

Running, Cycling

Half-Marathon 29.8K 10.5K 1.6K +1

Medal Madness 5K, 10K, & 13.1M at Grand Ledge, MI (36)

Grand Ledge, Michigan, United States

05 Sep, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Run Branch County 5k & Half Marathon

Coldwater, Michigan, United States

06 Sep, 2026 (Sun)

$30.00 - $60.00

Running

5K Half-Marathon

Lake Superior Shore Run

Marquette, Michigan, United States

11 Sep, 2026 (Fri) – 12 Sep, 2026

Free - $62.00

Running, Trail running, Walking

1.6K Half-Marathon 5K 8K

Mt. Baldhead Challenge

Saugatuck, Michigan, United States

12 Sep, 2026 (Sat)

$70.00 - $90.00

Trail running

10K Half-Marathon

2026 Holland Haven Marathon

Holland, Michigan, United States

13 Sep, 2026 (Sun)

$59.00 - $149.00

Running

Marathon Half-Marathon 8K

Capital City River Run

Lansing, Michigan, United States

19 Sep, 2026 (Sat) – 20 Sep, 2026

$10.00 - $76.00

Running

1.6K Half-Marathon 5K

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

Corunna, Michigan, United States

19 Sep, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon