Montana Obstacle Race Calendar 2025-2026

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Explore the best obstacle runs in Montana for 2025-2026! Our updated list features 107 exciting races across the region. Find your next race in Montana below and join the running community at these great events!

June 2025
Jun
21
Saturday

Longest Dam Race

5 km 10 km
Jun
21-22
Sa - Su

Montana Spartan Trifecta Weekend

Obstacle Run 5 km 10 km 21 km 50 km
Jun
21
Saturday

Wulfman's CDT Trail Race

Trail Run 14 km
Jun
21
Saturday

Bob Marshall Trail Race

Trail Run 5 km 10 km 25 km 50 km
Jun
21
Saturday

Ranch Run Half Marathon

5 km 13 mi
Jun
27-29
Fr - Su

Missoula Marathon

5 km 13 mi 26 mi
Jun
27-28
Fr - Sa

Copper Kings 100

Trail Run 100 mi
Jun
28
Saturday

Audra Morger-Bonilla Memorial Fun Run

5 km 10 km
Jun
28
Saturday

The Yellowstone Half Marathon

5 km 10 km ... 25 km 50 km
Jun
28
Saturday

Glacier Half Marathon

13 mi
Jun
28
Saturday

Yellowstone Trail Race

Trail Run 10 km 25 km 50 km
Jun
28
Saturday

Whitefish Lake Triathlon

Triathlon
July 2025
Jul
4
Friday

Grateful Nation Montana's Freedom 5K Run/Walk

5 km
Jul
5
Saturday

Bangtail Divide 38K

Trail Run 38 km
Jul
5
Saturday

Firecracker RUN 406

4 mi
Jul
12
Saturday

Run With The Wild - Seeley Lake, MT

Trail Run 5 km 10 km
Jul
12
Saturday

Buffalo Run

4 mi 7 mi
Jul
12
Saturday

Herron Half Marathon Trail Run

Trail Run 5 km 10 km 13 mi
Jul
12
Saturday

Devil's Backbone

Trail Run 50 mi
Jul
13
Sunday

Foy's to Blacktail Trail Marathon

Trail Run 26 mi
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