Race Discovery

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

30 events found

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
Billings Skyline Races logo
May
31

Billings Skyline Races

Billings, Montana, United States
Running
Half-Marathon 29.9K
Beaverhead Marathon Full & Half logo
May
23

Beaverhead Marathon Full & Half

Dillon, Montana, United States
Running
Marathon Half-Marathon
Whitefish Marathon, Half Marathon & 5K Presented by Hammer Nutrition logo
May
16

Whitefish Marathon, Half Marathon & 5K Presented by Hammer Nutrition

Whitefish, Montana, United States
Running
Marathon Half-Marathon 5K
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