Race Calendar in Colorado, United States

Jul

11

Heatwave Half Marathon - Denver

Littleton, Colorado, United States

Running

1.6K 5K 10K Half-Marathon +1

Jul

09

Women's Specific High Trails Trail Running Retreat

Buena Vista, Colorado, United States

Running

High Trails Retreat - Shared Room High Trails Retreat - Private Room, Shared Bath High Trails Retreat - Private Room, Private Bath High Trails Retreat - No Lodging

Jul

09

BRR All-Comers Summer Track & Field Series #3

Boulder, Colorado, United States

Running

Ultra 1.6K 5K +1

Jul

09

July 9 - Beg & Skills / Advanced @ Palmer Park

Colorado Springs, Colorado, United States

Cycling

Beginner Hangout Beginner BegIntermediate Hangout Pace BegIntermediate +2

Jul

09

July 9 - Intermediate @ Austin Bluffs Open Space

Colorado Springs, Colorado, United States

Cycling

Intermediate Hangout Pace Intermediate InterVanced Hangout Pace InterVanced

Jul

08

HRCA Rocky Gulch Circuit

Highlands Ranch, Colorado, United States

Cycling

Open Masters 50+ Sport Single Speed Open +5

Jul

05

Hahns Peak Vertical Trail Race

Clark, Colorado, United States

Running

12.9K

Jul

04

40th Annual Boogie's Buddy Race, Presented By Aspen Valley Health

Aspen, Colorado, United States

Running

8K 5K 1.6K

Jul

04

Run for Chocolate 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States

Running

5K 10K Half-Marathon 1.6K +2

Jul

04

Let Freedom Run 5k - LONGMONT

Longmont, Colorado, United States

Running

5K

Jul

04

16th Annual Telluride Foundation Rundola: Run for Good

Telluride, Colorado, United States

Running

1.3K

Jul

04

2026 Crested Butte Golden Retriever Registration July 4 Parade

Crested Butte, Colorado, United States

Running

2026 Crested Butte Golden Retriever Entry July 4