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

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

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 […]

Timberview Trail Run

Lory State Park 708 Lodgepole Dr, Bellvue, CO, United States

Crisp morning air and a summer sunrise in Colorado. YES PLEASE! Join us on the foothills at Lory State Park for a fun & beautiful morning trail race. This run race features three distances (a 10 mile, a 5 mile and a 5K) that are great for just about any level athlete at any age. Run on […]

$20 – $50

Jeremy Bitner Fallen Officer Fund 5K/10K

Cornerstone Park 5150 South Windermere Street, Englewood, CO, United States

The 2023 Jeremy Bitner Fallen Officer Fund 5K/10K Run (3.1 miles/6.2 miles) & 5K Walk will start and finish at Cornerstone Park in Englewood, CO. This course, which is certified, not only offers a scenic view of the beautiful Englewood, but also the Big Dry Creek Trail and the Mary Carter Greenway. The run/walk will […]

Leadville Trail Marathon

Leadville 124 E. Sixth Street, Leadville, CO, United States

Run through the historic mining district’s challenging old mining roads and trails, and hit a high of 13,185 feet at Mosquito Pass during the Leadville Trail Marathon or Heavy Half Marathon. The views will leave you breathless, if you’re not already.

Freedom 4 Miler

Charles Schwab Campus 9899 Schwab Way, Lone Tree, CO, United States

Colorado Veterans Project invites everyone to come together to celebrate the 4th of July the way it was meant. Celebrate your Freedom while helping us raise money for local Veterans nonprofit organizations in Colorado. The Freedom 4 Miler event begins at 8:00 AM and ends by 10:15 AM. With registration for the Freedom 4 Miler, you will receive an exclusive […]

Please click here to submit your event for FREE to our online calendar.
We do not allow events without physical locations (IE – virtual runs, runs with locations TBD, etc…).
Please allow 48 hours after submission for an event to appear on the calendar. If you have already listed your event and would like us to update it, please contact us.