Take on 50 miles of extreme territory that starts at 10,200 feet and reaches 12,000 feet on four separate occasions at the Life Time Silver Rush 50 Run presented by …
The Cookie Chase is Denver’s race that ends with cookies. Runners and walkers can take advantage of a flat and fast course, and then enjoy fresh cookies at the finish. …
7/20 Memorial Foundation Reflection Garden Memorial
15151 E Alameda Pkwy., Aurora, CO
Join us for the 4thd annual Hero’s Journey 5k Run/Walk. The Hero's Journey represents any person who faces a challenge, encounters struggles to overcome it, and returns home a Hero. …
The legendary “Race Across The Sky” 100-mile run is where it all started back in 1983. This is it. The race where legends are created and limits are tested. One …
The Byers Peak Stampede is proudly hosted by the Shining Stars Foundation, a local nonprofit that provides outdoor social and recreational programming for children with cancer and their families. All proceeds …
Wayne Carle Middle School @ Standley Lake
10020 100th Ave, Westminster, Westminster, CO, United States
Join us at beautiful Standley Lake in Westminster for an unforgettable evening at the Westminster Night Trail! For its 12th year, this race takes on a whole new energy as runners …
2025 marks the 16th year of the pulmonary hypertension (PH) collaborative fundraiser with the University of Colorado Denver, Children’s Hospital Colorado and the Pulmonary Hypertension Association (PHA). The first fundraiser …
Join us Labor Day weekend for the Calarat Challenge Trail Running Festival. We start the festivities off on Saturday night with a 5K that you can run, walk or hike, …
Salisbury Park
11920 N Motsenbocker Rd, Parker, CO, United States
Celebrate the last blast of summer at the Labor Day Half Marathon. Sweat your socks off and let summer have its last hooray at Parker’s Salisbury Park, just a few …
Washington Park
701 S. Franklin St., Denver, CO, United States
The Roost Rebellion Relays are back! This year's new and improved relay is on Sept 3rd and starts at 6pm MST. SHARP. Assemble your fastest 4 x 1 mile relay …