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Pearl Street Mile
Join us on Saturday August 3rd, for our criterium style, multi-lapped course that starts on Spruce St (between 13th and 14th Street), and completes 3.75 laps around the Boulder Court …
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Running
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Evergreen Town Race
The Evergreen Town Race is a fundraiser for the Alpine Rescue Team. Both the 5K and 10K courses wind gradually down Upper Bear Creek, with a finish near Evergreen Lake. …
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Dirt Circus
Runners Roost - Boulder 629 South Broadway, Suite E, Boulder, CO, United StatesThe Dirt Circus sponsored by UltraSignUp will be hosting the Colorado event at the Runners Roost in Boulder. Join multiple trail brands, race directors, and gear reps for an expo …
Free
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Q-Man Classic
Highlands Ranch High School 9375 Cresthill Ln., Highlands Ranch, COHighlands Ranch High School (HRHS) is proud to once again host the 15th annual Q-Man Classic. This is a memorial race for Quinton Sanford, a student-athlete with Autism at HRHS who …
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Leadville 10K Run
Leadville 135 E. 6th Street, Leadville, COHeld the weekend of the historic Stages Cycling Leadville Trail 100 MTB, the Leadville 10K Run is the shortest run in the series, but covers the first and last 3.1 …
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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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Westminster Trail Race
Wayne Carle Middle School @ Standley Lake 10020 100th Ave, Westminster, Westminster, CO, United StatesJoin us at beautiful Standley Lake in Westminster as we race around the lake. The 12th Annual event is a great course for those competitive, intermediate, or novice runners. The …
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6 Dot Dash
National Federation of the Blind of Colorado 2233 W. Shepperd Avenue, Littleton, COOne of the hidden gems in the Denver Running Scene is the 6 Dot dash. It features a great run down to Reynolds landing and back while offering a great …
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PH in the Park
City Park Denver, CO2024 marks the 15th 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, …