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Silver Rush 50 Run
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 …
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Running
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Cookie Chase 5K
Sloan's Lake 4600 W Bryon Pl, Denver, COThe 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. …
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Hero’s Journey 5K
7/20 Memorial Foundation Reflection Garden Memorial 15151 E Alameda Pkwy., Aurora, COJoin 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. …
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Leadville Trail 100 Run
Leadville 135 E. 6th Street, Leadville, COThe 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 …
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Byers Peak Stampede
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 …
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Westminster Trail Race
Wayne Carle Middle School @ Standley Lake 10020 100th Ave, Westminster, Westminster, CO, United StatesJoin 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 …
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PH in the Park
City Park Denver, CO2025 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 …
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Calarat Challenge Trail Running Festival
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, …
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Labor Day Half Marathon, 10K and 5K
Salisbury Park 11920 N Motsenbocker Rd, Parker, CO, United StatesCelebrate 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 …
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3rd Annual Roost Rebellion Relays
Washington Park 701 S. Franklin St., Denver, CO, United StatesThe 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 …