Race Discovery

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

32 events found

Bob Marshall Trail Races logo
Jul
17

Bob Marshall Trail Races

Seeley Lake, Montana, United States
$45.00 - $80.00
Trail running
Ultra 25K Marathon Half-Marathon +2
Headwaters Bank Run ( ) logo
Jul
24

Headwaters Bank Run ( )

Three Forks, Montana, United States
$30.00 - $35.00
Running
5K 10K Half-Marathon
Canine Classic at Paws Up logo
Aug
21

Canine Classic at Paws Up

Greenough, Montana, United States
$35.00 - $150.00
Running
Wine and Bitch Dinner Virtual Hike/Run/Walk Early Bird Special- 5 mile Run/Hike AND Wine and Bitch Dinner Half-Marathon +3
Bozeman Half Marathon & 10K logo
Sep
12

Bozeman Half Marathon & 10K

Bozeman, Montana, United States
$50.00 - $95.00
Running
Half-Marathon 10K
Just for the Helena of It logo
Oct
18

Just for the Helena of It

Helena, Montana, United States
Running
Half-Marathon 10K 5K 1.6K +3
Back Roads Half & 10k logo
Oct
04

Back Roads Half & 10k

Red Lodge, Montana, United States
Running
Half-Marathon 10K
Whitefish Trail Blazer logo
Oct
03

Whitefish Trail Blazer

Whitefish, Montana, United States
Running
Ultra 49.9K Half-Marathon 10.5K +6
Montana Marathon logo
Sep
20

Montana Marathon

Billings, Montana, United States
Running
Marathon Half-Marathon 10K 5K
AIDSPIRIT USA Marathon logo
Sep
06

AIDSPIRIT USA Marathon

Harlowton, Montana, United States
Running
Marathon Half-Marathon 10K 5K
Mntwi l Nłʔay Virtual Half Marathon logo
Sep
01

Mntwi l Nłʔay Virtual Half Marathon

Missoula, Montana, United States
Running
Half-Marathon
Smelter City Scamper logo
Aug
08

Smelter City Scamper

Anaconda, Montana, United States
Running
Half-Marathon 10K 5K
Wolf Run Series - RUNNING WOLF 2026 logo
Jul
18

Wolf Run Series - RUNNING WOLF 2026

Stanford, Montana, United States
Running Cycling
Half-Marathon 5K 1.6K