Montana Running Calendar 2025-2026

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Explore the best running races in Montana for 2025-2026! Our updated list features 57 exciting races across the region. Find your next race in Montana below and join the running community at these great events!

Half Marathons Marathons Trail Runs Triathlons
June 2026
Jun
27
Saturday

Whitefish Lake Triathlon

Triathlon
July 2026
Jul
4
Saturday

Firecracker RUN 406

4 mi
Jul
4
Saturday

Yellowstone Independence Day 5k

5 km
Jul
10-11
Fr - Sa

Pioneer Crossings Relay Race

175 mi
Jul
11
Saturday

Devil's Backbone

Trail Run 50 mi
Jul
18
Saturday

Little Blackfoot

Trail Run 15 km 30 km
Jul
24
Friday

Crazy Mountain 100

Trail Run 100 mi
Jul
25
Saturday

Boogie to the Bank

5 km 10 km
Jul - Aug
31-2
Fr - Su

Headwaters Relay

August 2026
Aug
1
Saturday

YFC Seeley Lake Challenge Triathlon

Triathlon
Aug
1
Saturday

Yellowstone Trail Race

Trail Run 10 km Half Marathon Marathon
Aug
8
Saturday

Smelter City Scamper

5 km 10 km Half Marathon
Aug
28
Friday

Goats in the Dark

Trail Run 5 km
September 2026
Sep
11-13
Fr - Su

The Rut Mountain Runs

Trail Run 3 mi 7 mi ... 31 mi 53 mi
Sep
13
Sunday

Bozeman Half Marathon

10 km Half Marathon
Sep
26
Saturday

Montana Meltdown

Backyard Ultra 4 hr 12 hr 24 hr
October 2026
Oct
4
Sunday

11 Miles to Paradise

Trail Run 11 mi
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