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Get the appColorado has 309 upcoming running events across distances like 2K, 5K, 10K, 13K, 16K, 20K, 21K, 23K, 24K, 29K, 30K, 40K, 42K, 43K, 48K, 50K, 53K, 80K, 85K, 100K, 108K, 161K, 322K. Recent additions include Pikes Peak Ultra, Creede 100, Bike2Build ~ San Luis Valley Metric Century, Sat July 25.
309 events
25
Pikes Peak Ultra
Sat, Jul 25, 2026Colorado Springs, United States
25
Creede 100
Sat, Jul 25, 2026Creede, United States
25
Bike2Build ~ San Luis Valley Metric Century, Sat July 25
Sat, Jul 25, 2026Alamosa, United States
25
Aspen Valley Marathon
Sat, Jul 25, 2026Aspen, United States
25
Bob Cook Memorial Blue Sky Hill Climb
Sat, Jul 25, 2026Idaho Springs, United States
25
Box Canyon Trail Races
Sat, Jul 25, 2026Telluride, United States
25
2nd Annual Pancreatic Cancer Awareness in Honor of Diana Cantu - 5K Fun Run/Walk
Sat, Jul 25, 2026Alamosa, United States
25
Staunton 10 Mile Trail Race
Sat, Jul 25, 2026Pine, United States
25
Staunton 5k Trail Race
Sat, Jul 25, 2026Pine, United States
25
Run for Coffee Lovers 5K/10K/13.1 DENVER/AURORA
Sat, Jul 25, 2026Centennial, United States
25
Run for Donuts 5K/10K/13.1 DENVER/AURORA
Sat, Jul 25, 2026Centennial, United States
25
2026 Colorado Park 2 Park Challenge
Sat, Jul 25, 2026Denver, United States
25
Bike 2 Build, San Luis Valley Half Century
Sat, Jul 25, 2026Alamosa, United States
26
War Within 5K--Honoring Anthony Salem
Sun, Jul 26, 2026Akron, United States
26
World Championship Pack Burro Race
Sun, Jul 26, 2026Fairplay, United States
27
The Summit 200
Mon, Jul 27, 2026Keystone, United States
29
CCOC Kids First Annual Triathlon
Wed, Jul 29, 2026Colorado Springs, United States
30
Stroke & Stride #8
Thu, Jul 30, 2026Boulder, United States
30
Volunteer Sign-up - Stroke & Stride #8
Thu, Jul 30, 2026Boulder, United States
31
Wild West Relay
Fri, Jul 31, 2026Fort Collins, United States
1
Kennebec Mountain Run
Sat, Aug 1, 2026Hesperus, United States
1
Aspen Backcountry
Sat, Aug 1, 2026Aspen, United States
1
Sheep Mountain Trail Runs
Sat, Aug 1, 2026Fairplay, United States
1
Crooked Gravel
Sat, Aug 1, 2026Winter Park, United States
1
West Akron 5k & 1mi Run/Walk
Sat, Aug 1, 2026Akron, United States
1
Philmont Trail Race
Sat, Aug 1, 2026Cimarron, United States
1
Winter Park 50K
Sat, Aug 1, 2026Winter Park, United States
1
Casual Hikers 10k Walk/Run
Sat, Aug 1, 2026Whitewater, United States
1
2026 Boggy Draw Beat Down Mountain Bike Race
Sat, Aug 1, 2026Dolores, United States
1
Popsicle 5K/10K/Half - Colorado Springs
Sat, Aug 1, 2026Colorado Springs, United States