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Half Marathon Calendar near Estes Park 2026-2027

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Explore the top half marathons near Estes Park for 2026-2027! We've gathered 14 exciting races in the area. Check out our detailed list below to find your next local race.

September 2026
Sep
11-12
Fr - Sa

American Heroes Run

Trail Run 5 km 9 mi ... 551 min 100 mi
Sep
12
Sa

Ned Ned Run

Race Roster Road Race Trail Run 5 km 6 mi 13 mi
Ned Ned Run
Sep-Oct
20-3
Su - Sa

Fall Equinox Marathon

5 mi 13 mi
Sep
25-27
Fr - Su

Red Feather Trail Jamboree

Trail Run 13 mi 50 km 50 mi 94 mi
Sep
27
Su

Run Boulderthon: The Boulder Marathon

5 km 10 km Half Marathon Marathon
Monthly updates for Estes Park

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October 2026
Oct
4
Su

New Belgium Half Marathon

5 km Half Marathon
Oct
10
Sa

The Long View Marathon

5 km 13 mi 26 mi
Oct
17-18
Sa - Su

Blue Sky Trail Marathon

Trail Run 13 mi 27 mi
April 2027
Apr
18
Su

Horsetooth Half Marathon

13 mi
Apr
24
Sa

NoCo Half Marathon & 10K

6 mi 13 mi
Apr
24
Sa

Bigfoot Half Marathon

3 mi 13 mi
May 2027
May
2
Su

Colorado Marathon

5 km 10 km Half Marathon Marathon
June 2027
Jun
19-20
Sa - Su

Estes Park Marathon

5 km 5 mi ... Half Marathon Marathon
August 2027
Aug
6-7
Fr - Sa

Rocky Mountain Half Marathon

5 km 13 mi
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