Trail running Race Calendar in Montana, United States

The Rut Mountain Runs

Big Sky, Montana, United States

11 Sep, 2026 (Fri) – 13 Sep, 2026

Free

Trail running, Running

Ultra Half-Marathon 4K 28.6K +4

Big Bear Stampede

Gardiner, Montana, United States

12 Sep, 2026 (Sat)

Free - $35.00

Trail running, Walking, Running

5K 9K 1K

John Colter Run

Three Forks, Montana, United States

19 Sep, 2026 (Sat)

$60.00

Trail running

12.1K

Yellowstone Gateway 30K

Pray, Montana, United States

20 Sep, 2026 (Sun)

$75.00

Trail running

29.3K

Hiawatha Fall Trail Run

Taft, Montana, United States

26 Sep, 2026 (Sat)

$75.00 - $105.00

Trail running

Marathon Half-Marathon 10K

Mount Helena Run

Helena, Montana, United States

26 Sep, 2026 (Sat)

$30.00

Trail running

9K

Timberline Trail Run

Bozeman, Montana, United States

27 Sep, 2026 (Sun)

$5.00 - $40.00

Trail running

20K 10K 5K 1K

11 Miles to Paradise

Paradise, Montana, United States

04 Oct, 2026 (Sun)

$70.00

Trail running

16.9K

Le Grizz Ultramarathon & Relay

Polebridge, Montana, United States

10 Oct, 2026 (Sat)

$35.00 - $150.00

Trail running, Running

Ultra 15K 5K

CITY TO SKY

Missoula, Montana, United States

18 Oct, 2026 (Sun)

$145.00 - $155.00

Trail running

Ultra 27.4K

Little Dipper Kids Trail Run

Missoula, Montana, United States

17 May, 2026 (Sun)

Trail running

1.6K 6.4K 3.2K

Marshall Mountain Revival Trail Runs

Missoula, Montana, United States

16 May, 2026 (Sat)

Trail running

25.7K 8K