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

  • Collegiate Peaks Trial Run

    Buena Vista Community Center 715 E Main St, Buena Vista, CO, United States

    The Collegiate Peaks Trail Run takes place in Buena Vista, Colorado and offers two race distance options - 25 miles and 50 miles.  However, the Forest Service/Bureau of Land Management officials re-routed a portion of  Trail. Because of this change, runners who signup for 25 miles will actually run 25.3 miles and runners who signup for […]

  • 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 […]

  • runBlossom 5K

    Centennial Park - Cañon City Cañon City, CO, United States

    Event Information: For 20 years, the annual runBlossom race has helped usher in the summer season in Cañon City. As the snow melts and the leaves begin to adorn trees, runners of all ages come together to celebrate the Cañon City Music and Blossom Festival. The runBlossom 5K event showcases the Arkansas Riverwalk Trail, running […]

  • Canceled Bash the Bluffs 5K

    UCCS Gallogly Recreation and Wellness Center 1420 Austin Bluffs Parkway, Colorado Springs, CO, United States

    Every spring the University of Colorado at Colorado Springs Campus Recreation Department hosts an on-campus run/walk in honor of Dr. Ed Burke, former professor of Exercise Science and renowned researcher at UCCS. This year, the 21st annual Bash the Bluffs 5K run/walk will be held on April 23, 2022

    $35
  • Duck Waddle 5K

    Lake Estes Marina 1770 Big Thompson Drive, Estes Park, CO, United States

    The DUCK WADDLE 5K race begins at east side of Estes Park Parking Structure. Each runner and walker will follow the scenic Lake Estes Trail counterclockwise to the finish line (west of the Lake Front Parking area on north side of Lake Estes). The DUCK WADDLE 5K foot race welcomes all abilities and those wanting to have a ton of fun […]

    $30 – $40
  • Hope House 5K

    Apex Center 13150 W 72nd Ave, Arvada, CO, United States

    Our 12th annual Hope House 5K & Fun Run will take place on Saturday, May 3, 2025 at Apex Center (13150 W 72nd Ave, Arvada, CO 80005)! It will be a fun-filled day full of fast runners, speed walkers, parents pushing strollers, smiley children, exciting finishes, an epic Diaper Dash, live music and more. We hope you […]

  • Furry Scurry

    Washington Park - Denver 701 S Franklin St, Denver, CO, United States

    The Furry Scurry is an annual, fun-filled festival and two-mile dog walk at Denver’s Washington Park to benefit the animals at the Dumb Friends League.  No matter where you scurry, every step you take and dollar you raise will make a lasting difference for the animals in our care. 

  • Bulldog Bustle 5K

    Arvada High School 7951 W 56th Ave, Arvada, CO, United States
  • The PASTA Run

    Louisville Community Park 955 Bella Vista Dr, Louisville, CO, United States

    Returning after 5 years and a huge request from our followers...The PASTA RUN will return to Louisville in 2025!  What more do runners like but Pasta....this event and run is like no other in Colorado and SOLD OUT fast in 2019. 15 minutes from Boulder/20 minutes from Denver. The 5k, 10k and Half Marathon TRAIL […]

    $40.00
  • Walk MS

    Walk MS

    City Park - Denver 1700 N York St, Denver, CO, United States

    Walk MS 2024 includes a powerful new experience where you’ll witness how your support changes the lives of people with MS and gets us closer to our ultimate goal: a cure. Whether you live with MS, love someone who does, or are a part of the wider community, you can proudly display your role in […]

  • Please click here to submit your event for FREE to our online calendar.
    We do not allow events without physical locations (IE – virtual runs, runs with locations TBD, etc…).
    Please allow 48 hours after submission for an event to appear on the calendar. If you have already listed your event and would like us to update it, please contact us.