Race Discovery

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

32 events found

Big Sky State Games Road Race logo
Jul
18

Big Sky State Games Road Race

Laurel, Montana, United States
Running Wheelchair
5K 10K Half-Marathon +2
Ranch Run Half Marathon, 5K, 1 Mile Freida's Memorial Fun Run - 10th Annual logo
Jun
20

Ranch Run Half Marathon, 5K, 1 Mile Freida's Memorial Fun Run - 10th Annual

Geraldine, Montana, United States
Running
Half-Marathon 5K 1.6K +2
Mountain to Meadow Half Marathon & 10k logo
Jun
14

Mountain to Meadow Half Marathon & 10k

Lolo, Montana, United States
Running
Half-Marathon 10K
Bear Paw Marathon logo
Jun
06

Bear Paw Marathon

Havre, Montana, United States
Running
Marathon Half-Marathon 5K
Kickin Assphault Half Marathon, 10k, 1 Mile run/walk, 1/2 mile Kid's Dash logo
May
31

Kickin Assphault Half Marathon, 10k, 1 Mile run/walk, 1/2 mile Kid's Dash

Great Falls, Montana, United States
Running
Half-Marathon 10K 5K 1.6K
Beaverhead Marathon Full & Half logo
May
23

Beaverhead Marathon Full & Half

Dillon, Montana, United States
Running
Marathon Half-Marathon
Pengelly Double and Single Dips logo
May
14

Pengelly Double and Single Dips

Missoula, Montana, United States
Running Trail running
Half-Marathon 10K
Race Through Montana 1M, 5K, 10K, 13.1, 26.2 - Now Only $20! logo
Feb
01

Race Through Montana 1M, 5K, 10K, 13.1, 26.2 - Now Only $20!

Billings, Montana, United States
$20.00
Running
1.6K 5K 10K Half-Marathon +1