5K races in Montana, United States — 2026 running calendar

Sep

19

Run For Jimmy 5k / 1 Mile Walk

Billings, Montana, United States

Free

Running Walking

5K 1.6K

Sep

20

Montana Marathon

Billings, Montana, United States

$45.00 - $135.00

Running

Marathon Half-Marathon 10K 5K

Sep

20

Kylie's Fight 5K

Ronan, Montana, United States

$40.00

Running

5K

Sep

26

Adam Downer Memorial Suicide Awareness 5K

Pablo, Montana, United States

$30.00

Running

5K

Oct

03

Helena Sun Run

Helena, Montana, United States

$30.00

Running

5K 1.6K

Oct

03

Whitefish Trail Blazer

Whitefish, Montana, United States

$10.00 - $150.00

Running

Ultra 49.9K Half-Marathon 10.5K +6

Oct

10

Le Grizz Ultramarathon & Relay

Polebridge, Montana, United States

$35.00 - $150.00

Trail running Running

Ultra 15K 5K

Oct

10

Glow Run: Superhero Edition

Kalispell, Montana, United States

$20.00

Running

5K

Oct

10

Tammany Trot 5K & 1-Mile Fun Run

Hamilton, Montana, United States

$30.00

Running

5K

Oct

14

Great Falls City Meet

Black Eagle, Montana, United States

Running

3K 5K 1.6K +4

Oct

14

5K Brew Run at Après Brewing

Bozeman, Montana, United States

$10.00

Running

5K

Oct

15

Joliet Invite

Joliet, Montana, United States

Free

Running

5K 2.4K +2