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

Bear Paw Marathon

Havre, Montana, United States

06 Jun, 2026 (Sat)

$45.00 - $145.00

Running

Marathon Half-Marathon 5K

Governor's Cup

Helena, Montana, United States

13 Jun, 2026 (Sat)

$30.00 - $90.00

Running

Half-Marathon 10K 5K 1.6K

Mountain to Meadow Half Marathon & 10k

Lolo, Montana, United States

14 Jun, 2026 (Sun)

$55.00 - $85.00

Running

Half-Marathon 10K

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

Geraldine, Montana, United States

20 Jun, 2026 (Sat)

$25.00 - $50.00

Running

Half-Marathon 5K 1.6K +2

Missoula Marathon Half Marathon 5K Kids Marathon

Missoula, Montana, United States

27 Jun, 2026 (Sat) – 28 Jun, 2026

$10.00 - $385.00

Running, Wheelchair

5K 1.9K Marathon Half-Marathon +6

The Yellowstone Trail Marathon and Trail Races

West Yellowstone, Montana, United States

11 Jul, 2026 (Sat) – 01 Aug, 2026

$45.00 - $80.00

Running, Trail running

Marathon Half-Marathon 10K Ultra +5

Big Sky State Games Road Race

Laurel, Montana, United States

18 Jul, 2026 (Sat)

$35.00 - $40.00

Running, Wheelchair

5K 10K Half-Marathon +2

Wolf Run Series - RUNNING WOLF 2026

Stanford, Montana, United States

18 Jul, 2026 (Sat)

$25.00 - $90.00

Running, Cycling

Half-Marathon 5K 1.6K

Bob Marshall Trail Races

Seeley Lake, Montana, United States

18 Jul, 2026 (Sat)

$55.00 - $80.00

Trail running

Ultra 25K Marathon Half-Marathon +1

Headwaters Bank Run

Three Forks, Montana, United States

25 Jul, 2026 (Sat)

$35.00 - $40.00

Running

5K 10K Half-Marathon

Smelter City Scamper

Anaconda, Montana, United States

08 Aug, 2026 (Sat)

$30.00 - $75.00

Running

Half-Marathon 10K 5K

WICKED FAST MARATHON & HALF MARATHON MONTANA

Livingston, Montana, United States

15 Aug, 2026 (Sat)

$129.00 - $149.00

Running

Marathon Half-Marathon