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  • Last Call Triathlon

    Boyd Lake State Park 3720 N Co Rd 11C, Loveland, CO, United States

    Yes! I want ONE MORE adventure!! Escape to the lake! The Last Call Triathlon will be an event you’ll look forward to all season long. Why? Beautiful mountain views, great weather […]

  • Bear Chase Trail Race

    Bear Creek Lake Park 15600 W Morrison Rd, Lakewood, CO, United States

    The Bear Chase Race Endurance Festival is a 100K, 50 Mile, 50K, Half Marathon, Baby Bear 10K and 5K trail race at beautiful Bear Creek Lake Park, in Lakewood, CO. […]

  • Colorado Springs Marathon

    Featured
    Pioneers Museum 215 South Tejon Street, Colorado Springs, CO, United States

    Join us for the 13th Annual Colorado Springs Marathon on Saturday, October 3, 2026! Whether you're a seasoned runner or taking on your first 5K, we have four exciting race […]

    $8

  • Taco Bell 50K

    Taco Bell 447 S Broadway, Denver, CO, United States

    It has been described as Urban Legend. More mysterious and barking spiders than the Barkley Marathons. The International Taco Bell 50k boasts a higher DNF rate than the famed Leadville […]

  • CMRA Stone House Triple-Cross

    Stone House Park 2800 S. Estes St., Lakewood, CO, United States

    The race will begin just west of Estes St across from the Stone House Park on Bear Creek in Lakewood. It will head west mostly on dirt trails through the […]

  • Westy Half and 5K

    Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United States

    Join the WESTY HALF and 5k this fall! The Hometown Race Series features half marathons and 5k distance events in outlying communities outside the Denver and Boulder metro areas. This […]

    $45 – $80

  • Indian Creek Fifties

    Indian Creek Campground 2499 Pine Creek Rd, Sedalia, CO, United States

    The Indian Creek Fifties takes advantage of the challenging and little used terrain just southwest of the Denver Metro area. Loop 1 climbs to 8000′, and quickly flows down into […]

  • Bobcat Trail Races

    Palmer Park 3343 Paseo Rd, Colorado Springs, CO, United States

    Bobcat Trail Race was created to feature one of Colorado Spring’s best city parks, Palmer Park. Runners will enjoy views of the city and Pikes Peak from the rocky bluffs. […]

  • Great Trailhead Foot Race

    Bear Creek Lake Park 15600 W Morrison Rd, Lakewood, CO, United States

    Welcome to the Great Trailhead Foot Race at Bear Creek Lake Park! Featuring legitimate TRAILS in the shadow of Denver's skyline, you'll love the single-track and dirt as you race […]

  • Narrowleaf Lake Run

    Boyd Lake State Park 3720 N Co Rd 11C, Loveland, CO, United States

    Brisk autumn running in Colorado – OH YEA! Join us for a family fun event with three distance options at the beautiful Boyd Lake State Park venue. What’s a “Narrowleaf” […]

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