5K races in Montana, United States — 2026 trail running calendar

Sep

27

Timberline Trail Run

Bozeman, Montana, United States

$5.00 - $40.00

Trail running

20K 10K 5K 1K

Oct

10

Le Grizz Ultramarathon & Relay

Polebridge, Montana, United States

$35.00 - $150.00

Trail running Running

Ultra 15K 5K

Jun

05

Pronghorn Pursuit Trail Run

Dillon, Montana, United States

$5.00 - $45.00

Trail running Running

5K 15K 1.6K

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

Montana Trail Series

West Yellowstone, Montana, United States

$45.00 - $80.00

Trail running

Marathon Half-Marathon Ultra 25K +17

Jul

17

Bob Marshall Trail Races

Seeley Lake, Montana, United States

$45.00 - $80.00

Trail running

Ultra 25K Marathon Half-Marathon +2

Sep

13

Rock the Run! 5K at Pompey's Pillar

Pompeys Pillar, Montana, United States

$20.00 - $35.00

Trail running Running

5K 1.6K

Sep

12

Big Bear Stampede

Gardiner, Montana, United States

Trail running Walking Running

5K 9K 1K

Aug

20

The Augúst - Montana's Second Oldest Footrace

Helena, Montana, United States

Trail running

5K

Jul

18

Katoyiss "Sweet Pine" Trail Run

Browning, Montana, United States

Trail running

10K 5K

Jul

18

Jim Bridger Trail Run

Bozeman, Montana, United States

Trail running Running

16.1K 5K

Jul

11

Run With The Wild

Seeley Lake, Montana, United States

Trail running Running

10K 5K 1K