10K races in Montana, United States — 2026 trail running calendar

Jun

06

Hiawatha Spring Trail Run

Taft, Montana, United States

$45.00 - $105.00

Trail running Running

Ultra 25K 15K 10K +1

Jun

19

Ftbt Half Marathon, 10K and 5K Trail Run

Kalispell, Montana, United States

$25.00 - $60.00

Trail running

Half-Marathon 10K 5K

Jul

10

Montana Trail Series

West Yellowstone, Montana, United States

$45.00 - $80.00

Trail running

Marathon Half-Marathon Ultra 25K +17

Jul

10

Yellowstone Park Trail Races

West Yellowstone, Montana, United States

$45.00 - $80.00

Trail running Running

Marathon Half-Marathon Ultra 25K +2

Jul

10

Run With The Wild

Seeley Lake, Montana, United States

$5.00 - $30.00

Trail running Running

10K 5K 1K

Jul

17

Bob Marshall Trail Races

Seeley Lake, Montana, United States

$45.00 - $80.00

Trail running

Ultra 25K Marathon Half-Marathon +2

Sep

26

Timberline Trail Run

Bozeman, Montana, United States

$5.00 - $50.00

Trail running

20K 10K 5K 1K

Sep

26

Hiawatha Fall Trail Run

Taft, Montana, United States

Trail running

Marathon Half-Marathon 10K

Sep

11

The Rut Mountain Runs

Big Sky, Montana, United States

Trail running Running

Ultra Half-Marathon 4K 28.6K +4

Aug

01

Judith Mountain 10K

Lewistown, Montana, United States

Trail running

10K 6K

Jul

31

Quitcherbitchen' Trail Run

Billings, Montana, United States

Trail running Running

12.9K 9.7K 6.4K 3.2K +4

Jul

18

Katoyiss "Sweet Pine" Trail Run

Browning, Montana, United States

Trail running

10K 5K