Montana Half Marathon Calendar 2025-2026

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Explore the best half marathons in Montana for 2025-2026! Our updated list features 17 exciting races across the region. Find your next race in Montana below and join the running community at these great events!

July 2025
Jul
12
Saturday

Herron Half Marathon Trail Run

Trail Run 5 km 10 km 13 mi
Jul
19
Saturday

Wolf Run Series

5 km 13 mi
Jul
26
Saturday

Headwaters Bank Run

5 km 10 km 13 mi
August 2025
Aug
2
Saturday

Hurl Elkhorn

Trail Run 13 mi 50 km 50 mi
Aug
9
Saturday

Smelter City Scamper

5 km 10 km 13 mi
Aug
9
Saturday

Divide Mountain Run

Trail Run 5 km 10 km 21 km
Aug
17
Sunday

Nitty Gritty Off Road Race

Trail Run 4 mi 13 mi 26 mi
Aug
24
Sunday

Canine Classic - The Resort at Paws Up

2 mi 5 mi 13 mi
Aug
31
Sunday

Aidspirit USA Marathon

Trail Run 5 km 10 km 13 mi 26 mi
September 2025
Sep
7
Sunday

Bozeman Half Marathon

10 km 13 mi
Sep
12-14
Fr - Su

The Rut Mountain Runs

Trail Run 11 km 21 km 28 km 50 km
Sep
27
Saturday

Hiawatha Fall Trail Run

Trail Run 10 km 13 mi 26 mi
October 2025
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
21
Saturday

Snow Joke Half Marathon

13 mi
March 2026
Mar
14
Saturday

Run to the Pub

10 km 13 mi
May 2026
May
16
Saturday

Whitefish Marathon

5 km 13 mi 26 mi
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