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 […]

Postponed BIGDOGBRAG The Colorado Mud Run

Ram Off Road Park 12750 Highway 94, Colorado Springs, CO, United States

BIGDOGBRAG The Colorado Mud Run gives you more unique ways than any other obstacle course to experience the thrill of mud!!! You can splash, crash, run, crawl, laugh, slide, walk or do your own style of doggie dash to the finish by choosing either the 5k course with all 25 obstacles or the 2k (more […]

Before The Fourth 5K

Clement Park 7306 W. Bowles Avenue, Littleton, CO, United States

Come join the Before The Fourth 5k for some healthy fun in Clement Park. The park is located just south of Denver, in Littleton, Colorado. This is a great opportunity to build community and run in a great location with plenty of local spots to hang out with friends and family afterward.

Firecracker Flight

Goose Gossege Park 3950 Mark Dabling Blvd, Colorado Springs, CO, United States

Join us for the annual Firecracker 4 & 8 mile! A patriotic-themed event that is perfect for the whole family.

Firecracker Flight

Carpenter Park 3498 E 112th Ave, Thornton, CO, United States

Join us for the annual Firecracker 4 & 8 mile! A patriotic-themed event that is perfect for the whole family.

Longmont Half and 5K

Sandstone Park 3001 CO 119, Longmont, CO, United States

Celebrate Independence Day with us, and join the Half Marathon or 5k distance! Walkers and Runners of all abilities welcome!

July 4th Fun Run

Palmer Lake Regional Park 199 County Line Road, Palmer Lake, CO, United States

Run, skip, hop, gallop, lolly gag or moon walk on July 4th with your friends and family to support Palmer Lake Elementary School at the Annual July 4th Fun Run. This event kicks off the 4th of July festivities in the Tri Lakes Area and supports the children of PLES. The gorgeous and fast 4-mile […]

Canceled Superior Downhill Mile

McCaslin Blvd and Rock Creek Pkwy - Superior Superior, CO, United States

We are so glad to be able to bring you a Superior tradition, The Superior Mile on July 4th! This year's race is even more special as all proceeds will go to the Marshall Fire fund! Also, all residents of Superior will be able to participate in the race for free! We love the fact of bringing the community together for some healing, but also to look to the future. We are stronger together!

$25

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.