Montana Half Marathon Calendar 2025-2026

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Explore the best half marathons in Montana for 2025-2026! Our updated list features 9 exciting races across the region. Find your next race in Montana below and join the running community at these great events!

September 2025
Sep
27
Saturday

Hiawatha Fall Trail Run

Trail Run 10 km Half Marathon Marathon
October 2025
Oct
4-5
Sa - Su

Whitefish Trail Blazer

Trail Run 5 km 10 km Half Marathon 50 km
Oct
5
Sunday

Back Roads Half

10 km Half Marathon
Oct
19
Sunday

Just for the Helena of It

5 km 10 km Half Marathon
February 2026
Feb
21
Saturday

Snow Joke Half Marathon

Half Marathon
March 2026
Mar
14
Saturday

Run to the Pub

10 km Half Marathon
May 2026
May
16
Saturday

Whitefish Marathon

5 km Half Marathon Marathon
June 2026
Jun
26-28
Fr - Su

Missoula Marathon

5 km Half Marathon Marathon
Jun
27
Saturday

Glacier Half Marathon

Half Marathon
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