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Trail Running Calendar near Morrison 2025-2026

Explore the top trail runs near Morrison for 2025-2026! We've gathered 83 exciting races in the area. Check out our detailed list below to find your next local race.

July 2025
Jul
19
Saturday

All American 8 Mile - Denver

4 mi 8 mi
Jul
19
Saturday

Summer Splash Prairie Dog Half

5 km 10 km 13 mi
Jul
19
Saturday

Respect Life 5K

Jul
27
Sunday

Spirit of the West 5K

5 km
August 2025
Aug
1
Friday

RMRR Trophy Series

5 km
Aug
2
Saturday

All-Out Runapalooza

5 km 10 km 13 mi
Aug
2
Saturday

Boulder Rez Marathon

Trail Run 10 km 13 mi 31 km 26 mi
Aug
2
Saturday

Unicorn 5k - Highlands Ranch

5 km
Aug
3
Sunday

Bound for Boston Marathon - Denver

13 mi 26 mi
Aug
9
Saturday

Holy Cow Trail Stampede

Trail Run 5 km
Aug
9
Saturday

Dirt Circus - Boulder

Trail Run 4 mi
Aug
16
Saturday

Summer Sizzler - Denver

5 km 10 km 15 km
Aug
17
Sunday

Erie Half

5 km 13 mi
Aug
23
Saturday

Westminster Night Trail

Trail Run 5 km 10 km ... 35 km 50 km
Aug
23
Saturday

Boulder Sunset Run

5 km 10 km
Aug
23
Saturday

Staunton Rocks

Trail Run 13 mi 26 mi
September 2025
Sep
1
Monday

Labor Day Half Marathon

5 km 10 km 13 mi
Sep
6
Saturday

HRCA Wildcat Mountain Trail Race

Trail Run 10 km 10 mi
Sep
6
Saturday

Devil on the Divide

Trail Run 22 km 50 km
Sep
7
Sunday

Denver Rocks Run 10K

5 km 10 km
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