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Running Calendar near Morrison 2026-2027

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Explore the top running races near Morrison for 2026-2027! We've gathered 174 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Triathlons Trail Runs 10 km 5 km Ultramarathons Backyard Ultras Duathlons
November 2026
Nov
15
Su

Mountain Peacock 50k

Trail Run 50 km
December 2026
Dec
5
Sa

Sawmill Trail Runs

Trail Run 8 mi 16 mi 50 km
January 2027
Jan
9
Sa

Bingo! Trail Runs

Trail Run 18 mi 33 mi 50 mi
February 2027
Feb
17
We

Colorado Outdoor Pace Series

Road Race Backyard Ultra 5 km
May 2027
May
1
Sa

Niwot's Challenge

Trail Run 24 mi 50 mi 100 mi
Monthly updates for Morrison

Get new running races (and updates) in your inbox every month.
May
22
Sa

North Fork 50 Mile

Trail Run 50 km 50 mi
June 2027
Jun
27-28
Su - Mo

Chase the Moon

Trail Run 50 km
July 2027
Jul
24-25
Sa - Su

Ocolo 69

Trail Run 69 mi
August 2027
Aug
14
Sa

Roxborough Ultras

Trail Run 31 mi 51 mi
Aug
15
Su

Westminster Night Trail

Trail Run 6 km 12 km ... 36 km 50 km
Aug
28
Sa

Rock Hawk

Trail Run 5 km 10 km 25 km 50 km
September 2027
Sep
10-11
Fr - Sa

Flaming Foliage Relay

165 mi
October 2027
Oct
2
Sa

Castle Rock Trail Festival

Trail Run 5 km 10 km Half Marathon 50 km
Oct
2-3
Sa - Su

The Bear Chase

Trail Run 3 mi 6 mi ... 50 mi 100 km
Oct
16
Sa

Indian Creek Trail Runs

Trail Run 5 mi 15 mi 55 km 50 mi
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