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Half Marathon calendar near Fort Collins 2024-2025

Explore the top half marathons near Fort Collins for 2024-2025! We've gathered 7 exciting races in the area. Check out our detailed list below to find your next local race.

October 2024
Oct
19
Saturday

Blue Sky Trail Marathon

Trail Run 13 mi 26 mi
April 2025
Apr
13
Sunday

Horsetooth Half Marathon

13 mi
Apr
26
Saturday

Bigfoot Half Marathon

5 km 13 mi
May 2025
May
4
Sunday

Longmont Half

5 km 13 mi
May
4
Sunday

Colorado Marathon

5 km 10 km 13 mi 26 mi
August 2025
Aug
1-2
Fr - Sa

Rocky Mountain Half Marathon

5 km 13 mi
September 2025
Sep
7
Sunday

Black Squirrel Half

Trail Run 13 mi