Montana Half Marathon Calendar 2025-2026

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Explore the best half marathons in Montana for 2025-2026! Our updated list features 25 exciting races across the region. Find your next race in Montana below and join the running community at these great events!

October 2025
Oct
4-5
Sa - Su

Whitefish Trail Blazer

Trail Run 5 km 10 km 13 mi 50 km
Oct
5
Sunday

Back Roads Half

10 km 13 mi
Oct
19
Sunday

Just for the Helena of It

5 km 10 km 13 mi
February 2026
Feb
28
Saturday

Snow Joke Half Marathon

13 mi
March 2026
Mar
14
Saturday

Run to the Pub

10 km 13 mi
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