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Trail Running Calendar near Castle Rock 2025-2026

Explore the top trail runs near Castle Rock for 2025-2026! We've gathered 76 exciting races in the area. Check out our detailed list below to find your next local race.

August 2026
Aug
1
Saturday

Unicorn 5k - Highlands Ranch

5 km
Aug
22
Saturday

Ram Run

5 km
Aug
29
Saturday

Rock Hawk

Trail Run 3 mi 6 mi 16 mi 31 mi
September 2026
Sep
5
Saturday

Bodies Race Company - Denver

5 km 10 km Half Marathon
Sep
7
Monday

Labor Day Half Marathon

5 km 10 km 13 mi
Sep
12
Saturday

The Denver 5k

5 km
Sep
13
Sunday

Nun Run

5 km Half Marathon
Sep
26
Saturday

24 Hours Of Palmer Lake

Trail Run
Sep
26
Saturday

So Long to Summer 10K

5 km 10 km
October 2026
Oct
3-4
Sa - Su

The Bear Chase

Trail Run 5 km 10 km ... 50 mi 100 km
Oct
17
Saturday

Indian Creek Trail Runs

Trail Run 5 mi 15 mi 55 km 50 mi
Oct
24
Saturday

Hoofin' It Through the Hollows

5 km
Oct
25
Sunday

Ghosts and Goblins 10K

5 km 10 km
Oct
25
Sunday

Odyssey Odyssey

5 km
November 2026
Nov
7
Saturday

Turkey Trails Denver

5 km 10 km Half Marathon
Nov
7
Saturday

City Park Classic 10k

5 km 10 km
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