Blue Sky Ascent

Echo Lake Campground 13264 Chicago Creek Rd, Idaho Springs, CO, United States

Although the air will be noticeably thin at the starting line, Echo Lake's 10,600 feet of elevation is just the beginning. The climb totals nearly 4,000 vertical feet - much of it above treeline - as you make your way 14.5 miles to the finish line located at the summit of one of the most […]

SSPR TRYathlon

Goodson Recreation Center 6315 S. University Blvd., Centennial, CO, United States

Swim, bike, run for fun! This is the perfect starting point to try a tri. These races are about completion, not competition. All athletic levels are welcome. The only prerequisite is that you must be able to swim unassisted in deep water. Age divisions are flexible. Please choose your race based on your age or your desired race distance. […]

$25.00

Strawberry Shortcut 5K/10K

Bethel Plaza 704 Grand Ave, Glenwood Springs, CO, United States

The Strawberry Shortcut offers a 10K, 5K, and 1 Mile Run. The race welcomes participants ranging from competitive runners, to those just looking to try something new. The Shortcut is a long-standing Glenwood Springs tradition and a great way to get active in the fresh mountain air.

Sunset Trail Running Festival

Gold Hill Inn 401 Main St, Gold Hill, CO, United States

Join us Sunday June 23rd, for the Sunset Trail Running Festival in Gold Hill CO, benefiting the Boulder Watershed Collective. There will be a 28K (17.4M), 12K (7.7M), 5K and Kids 1K trail race, that starts and finishes in the main street of Gold Hill at the Gold Hill Inn, and is run in part on the National Forest Service Trails. The Sunset […]

Buffs4Life Kyle Macintosh 5K

Franklin Field 2150 Stadium Dr, Boulder, CO, United States

The 9th Annual Buffs4Life Kyle MacIntosh Memorial 5K is the family event of the season! Come out and spend a beautiful summer morning with the Buff community meeting current and former athletes, coaches and fans. It's perfect for all ages and all abilities. Food, Music, games and lots of great energy makes this event fun […]

5K To Fight Histio

Cheyenne Mountain State Park 410 JL Ranch Heights, Colorado Springs, CO, United States

Our time in NYC has been fun, but it's time to move West and leave our mark! Histio Family...Join us in Colorado Springs, CO. Home of Pike's Peak America's Mountain, Garden of the Gods Park, Olympic City USA, and the United States Air Force Academy. Together, we will run/walk to raise funds for ground-breaking research, […]

$35 – $45

Summit Trail Running Series IV

Horseshoe Gulch 2436 Tiger Rd, Breckenridge, CO, United States

Explore the trails of Breckenridge this summer with the 23rd annual Summit Trail Running Series with each race followed by a post-race party! The Series consists of 5 trail races in and around Summit County, May-July. Each race features a short and long course, and all races are open to runners of all abilities ages […]

Highline Canal Summer Scamper

Bible Park 6802 E Yale Ave, Denver, CO, United States

The second annual High Line Canal Summer Scamper, 5K for All, will take place on the evening of June 26 at Bible Park in Denver. Before the 5K enjoy a free 200m Ditch Dash for kids 8 and under. Then scamper along the Canal – whether that’s running, walking or strolling – with a smile […]

$30 – $45

Blue Moon Trail Series II

Pinon Valley Park 5585 Mule Deer Dr, Colorado Springs, CO, United States

The Blue Moon Trail Run is a fun and challenging local race provided by the City of Colorado Springs Parks, Recreation and Cultural Services Department. The 3-time run series is offered on the fourth Friday evenings of May (5K), June (5K and 8K), and July (5K and 10K). In addition to the race series, a Reverse Biathlon […]

Sillassen Half Marathon

Arthur County High School 111 Elm St, Arthur, NE, United States

The half marathon is a point to point race in the middle of the Nebraska Sandhills! Runners are bused to the starting line, and enjoy a beautiful run in to the village of Arthur. The course is a single lane blacktop road, consisting of rolling hills (along with a couple of substantial hills) winding through […]

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