Event details subject to change. Please confirm all information via event website.

  • Donut Hole Mile

    Colorado Tap House - Arvada 14982 West 69th Avenue, Arvada, CO, United States

    If you're familiar with the traditional Beer Mile, the donut hole mile is a fun twist for all ages! Run in the same way as a Beer Mile ibut you eat progressively more donut holes before on each leg... 1 donut hole before the 1st quarter mile, 2 before the 2nd, 3 before you run […]

  • Burro Buster 5K

    Hand Hotel & Emporium 531 Front Street, Fairplay, CO, United States

    The Burro Buster 5k is a fun, family friendly, 5k in one of America's highest incorporated towns. Join us in Fairplay on the 4th of July on our run through town! The course lies inside of the town limits and starts and finishes in front of the historic Hand Hotel & Emporium. Your terrain will […]

  • Main Avenue Mile

    Buckley Park 1250 Main Ave, Durango, CO, United States

    Celebrate freedom with one MILE race down Durango's historic Main Avenue. Starting at Buckley Park and turning around at the train station, enjoy the opportunity to test your speed and race down a closed Main Avenue right before the parade.

  • First Fridays 5K

    First Fridays 5K

    Festival Park 199 Perry St., Castle Rock, CO, United States

    Friday nights in the summer are made for spending time close to home, enjoying the beautiful weather, and unwinding from the long week. Why go anywhere else but Downtown Castle Rock? Start the night off on the right foot with the First Fridays 5K. Before enjoying the free concert event, get a workout with the […]

  • PPRR Nielson Challenge

    PPRR Nielson Challenge

    North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United States

    Race Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is calculated using an algorithm developed by Bob Royse, and it's geared to favor a beginning runner and the slower runners. Click here for an explanation of the […]

  • 5K Fun Run of Red Feather Lakes

    The Tavern at Red Feather Lakes 1078 Ramona Dr, Red Feather Lakes, CO, United States

    Enjoy a scenic fun run in and around Red Feather Lakes, Colorado including a route through Fox Acres Golf Course! Start in the village and end at The Tavern at Red Feather Lakes for a beer, an expo and great food and company! This is an untimed race.

  • Sheep Creek Triathlon

    Sheep Creek Front Gate 731 River Run Dr., Antonito, CO, United States

    Please join us on Saturday, July 5, 2025 for a morning filled with family fun!  Sheep Creek will be hosting a fun "triathlon" as part of our 4th of July festivities.  This isn't your typical triathlon... participants will go on a 1 mile walk/jog from the Sheep Creek front gate to the Eanes' cabin, play […]

  • Gold Roots Trail Series

    Gold Roots Trail Series #2

    Courtney Ryley Cooper Park 2350 Colorado Blvd, Idaho Springs, CO, United States

    Run the Mighty ARGO hill this summer in a 4 race series! You will have the option of a short loop (~5 miles, ~750' gain) or a long loop (~9 miles, ~1400' gain). Both loops climb the Rosa Gulch trail and come down Virginia Canyon. Start and end in Courtney Ryley Cooper Park. Routes subject […]

  • Hardrock 100 Endurance Run

    Memorial Park - Silverton 1800 Greene St, Silverton, CO, United States

    About The Run The Hardrock Hundred Mile Endurance Run is an ultramarathon of 100.5 miles in length, plus 33,050 feet of climb and 33,050 feet of descent for a total elevation change of 66,100 feet, at an average elevation of over 11,000 feet. The run is held on a loop course on 4WD roads, dirt […]

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