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Montana Trail Running Calendar 2025-2026

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Explore the best trail runs in Montana for 2025-2026! Our updated list features 37 exciting races across the region. Find your next race in Montana below and join the running community at these great events!

January 2026
Jan
3
Sa

Catch Me if You Can!

Trail Run 4 km 5 km 8 km 10 km
Jan
17
Sa

Glacier Glide Nordic Race

Trail Run 4 km 10 km
February 2026
Feb
6-7
Fr - Sa

Running Up for Air Mt Sentinel

Trail Run 3 hr 6 hr 12 hr 24 hr
Feb
7
Sa

Catch Me if You Can!

Trail Run 4 km 5 km 8 km 10 km
March 2026
Mar
14
Sa

Lucky Hare Half Marathon

Trail Run 9 km Half Marathon
April 2026
Apr
4
Sa

Catch Me if You Can!

Trail Run 4 km 5 km 8 km 10 km
Apr
18
Sa

Bitterroot Runoff Trail Run

Trail Run 5 km 5 mi 10 mi
Apr
26
Su

Expedition 12K

Trail Run 12 km
May 2026
May
6
We

Sentinel Hill Climb

Trail Run 2 mi
May
9
Sa

Don’t Fence Me in Trail Run

Trail Run 5 km 12 km 25 km 50 km
May
10
Su

Marshall Mountain Revival Trail Runs

Trail Run 5 mi 15 mi 16 mi
May
31
Su

Billings Skyline Races

Trail Run 13 mi 19 mi
June 2026
Jun
6
Sa

Pronghorn Pursuit Trail Run

Trail Run 5 km 15 km
Jun
7
Su

Hiawatha Spring Trail Run

Trail Run 10 km 15 km 25 km 50 km
Jun
14
Su

Mountain to Meadow Half Marathon

Trail Run 10 km Half Marathon
Jun
20
Sa

Wulfman's CDT Trail Race

Trail Run 14 km
Jun
20-21
Sa - Su

Herron Half Marathon

Trail Run 5 km 10 km Half Marathon
Jun
20
Sa

Weir Warrior Memorial Ruck

Trail Run 3 hr 6 hr
Jun
20
Sa

Trail Rail Run - St Regis, MT

Trail Run 5 km 12 km ... 50 km 50 mi
Jun
21
Su

Foy's to Blacktail Trail Marathon

Trail Run 26 mi