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

Michigan Dogman Trail Series

Thompsonville, Michigan, United States

Sep 4, 2026 (Fri) – Sep 5, 2026

$45.00 - $90.00

Running

5K 10K Half-Marathon

Michigan Trail Fest

Thompsonville, Michigan, United States

Sep 4, 2026 (Fri) – Sep 5, 2026

$45.00 - $90.00

Running

5K 10K Half-Marathon

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

Grand Ledge, Michigan, United States

Sep 5, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Cadillac YMCA Festival of Races

Cadillac, Michigan, United States

Sep 5, 2026 (Sat)

Free - $75.00

Running, Swimming

Marathon 5K 11.3K 1.6K +3

Aliferis Memorial Race

Alpena, Michigan, United States

Sep 5, 2026 (Sat)

$20.00 - $25.00

Running, Cycling

Half-Marathon 29.8K 10.5K 1.6K +1

Run Branch County 5k & Half Marathon

Coldwater, Michigan, United States

Sep 6, 2026 (Sun)

$30.00 - $60.00

Running

5K Half-Marathon

Lake Superior Shore Run

Marquette, Michigan, United States

Sep 11, 2026 (Fri) – Sep 12, 2026

Free - $80.00

Running, Trail running, Walking

1.6K Half-Marathon 5K 8K

Mt. Baldhead Challenge

Saugatuck, Michigan, United States

Sep 12, 2026 (Sat)

$70.00 - $90.00

Trail running

10K Half-Marathon

2026 Holland Haven Marathon

Holland, Michigan, United States

Sep 13, 2026 (Sun)

$64.00 - $154.00

Running

Marathon Half-Marathon 8K

Capital City River Run

Lansing, Michigan, United States

Sep 19, 2026 (Sat) – Sep 20, 2026

$10.00 - $76.00

Running

1.6K Half-Marathon 5K

Escanaba Fall Classic Half Marathon | 5K

Escanaba, Michigan, United States

Sep 19, 2026 (Sat)

$20.00 - $60.00

Running

Half-Marathon 5K

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

Corunna, Michigan, United States

Sep 19, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon