Trail running Race Calendar in Montana, United States

Jim Bridger Trail Run

Bozeman, Montana, United States

18 Jul, 2026 (Sat)

$50.00 - $68.00

Trail running, Running

16.1K 5K

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

The Divide Trail Race

Butte, Montana, United States

25 Jul, 2026 (Sat)

$70.00 - $80.00

Trail running

Ultra 25K

Quitcherbitchen' Trail Run

Billings, Montana, United States

31 Jul, 2026 (Fri) – 03 Aug, 2026

$35.00 - $60.00

Trail running

12.9K 9.7K 6.4K 3.2K +3

Last Herron Standing- Backyard Ultra

Kalispell, Montana, United States

01 Aug, 2026 (Sat) – 02 Aug, 2026

$10.00 - $65.00

Trail running

Ultra 3K

Judith Mountain 10K

Lewistown, Montana, United States

01 Aug, 2026 (Sat)

$40.00 - $50.00

Trail running

10K 6K

Prospector's 50k | 30k

Cooke City, Montana, United States

08 Aug, 2026 (Sat) – 09 Aug, 2026

$115.00 - $150.00

Trail running

Ultra 30.1K

Snowbowl 15K

Missoula, Montana, United States

08 Aug, 2026 (Sat)

$55.00

Trail running

15K

4th Annual Swift Bear Trail Run

Hays, Montana, United States

08 Aug, 2026 (Sat)

$20.00 - $40.00

Trail running

16.1K 32.2K Ultra

Bridger Ridge Run

Bozeman, Montana, United States

15 Aug, 2026 (Sat)

Trail running

32K

Nitty Gritty Off Road Race

Red Lodge, Montana, United States

16 Aug, 2026 (Sun)

$40.00 - $240.00

Trail running

Half-Marathon Marathon 6.9K +4

The Augúst - Montana's Second Oldest Footrace

Helena, Montana, United States

20 Aug, 2026 (Thu)

$10.00 - $20.00

Trail running

5K