Montana Half Marathon Calendar 2025-2026

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Explore the best half marathons in Montana for 2025-2026! Our updated list features 15 exciting races across the region. Find your next race in Montana below and join the running community at these great events!

August 2025
Aug
9
Saturday

Smelter City Scamper

3 mi 6 mi 21 km
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
30
Saturday

Jack n Jill Marathon Montana

13 mi 26 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
March 2026
Mar
14
Saturday

Run to the Pub

10 km 21 km
May 2026
May
16
Saturday

Whitefish Marathon

5 km 21 km 42 km
June 2026
Jun
26-28
Fr - Su

Missoula Marathon

3 mi 21 km 42 km
Jun
27
Saturday

Glacier Half Marathon

21 km
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