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

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

Sand Lake, Michigan, United States

Sep 20, 2026 (Sun)

$22.00 - $70.00

Running

5K 10K Half-Marathon 1.6K

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

Detroit, Michigan, United States

Sep 20, 2026 (Sun)

Free - $120.00

Running

Half-Marathon 10K 5K +7

Medal Madness 5K, 10K, & 13.1M at Lansing, MI (39)

Lansing, Michigan, United States

Sep 26, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Sault International Festival of Races

Sault Sainte Marie, Michigan, United States

Sep 26, 2026 (Sat) – Sep 27, 2026

$30.00 - $45.00

Running, Walking

8K Half-Marathon 5K +4

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

Ann Arbor, Michigan, United States

Sep 26, 2026 (Sat)

$22.00 - $70.00

Running

5K 10K Half-Marathon 1.6K

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

Holland, Michigan, United States

Sep 26, 2026 (Sat)

$30.00 - $75.00

Running

Half-Marathon 5K

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

Iron Mountain, Michigan, United States

Sep 26, 2026 (Sat)

$10.00 - $140.00

Running

Half-Marathon 10K 5K 1.6K +1

Pave the Way

Shelby Township, Michigan, United States

Sep 26, 2026 (Sat)

$35.00 - $75.00

Running

Half-Marathon 10K 5K

Betsie Valley Trail Run

Thompsonville, Michigan, United States

Sep 26, 2026 (Sat)

$15.00 - $79.00

Running

Half-Marathon 10K 5K 1.6K

Golden Harvest Half Marathon & 5k/10k - Lansing

Lansing, Michigan, United States

Sep 27, 2026 (Sun)

$22.00 - $54.00

Running

5K 10K Half-Marathon 1.6K

THE ROOTED HALF MARATHON & 5K

Lake Orion, Michigan, United States

Sep 27, 2026 (Sun)

$50.00 - $75.00

Running

Half-Marathon 5K +1

SHE RUNS Grand Rapids

Grand Rapids, Michigan, United States

Sep 27, 2026 (Sun)

$35.00 - $85.00

Running

Half-Marathon 10K 5K +2