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

  • Ironman 70.3

    Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

    Boulder has been a household name in the world of triathlon for decades. This endurance community has built a reputation among triathletes for training hard, racing fast and enjoying every mile of scenic beauty along the way. But what makes this town really special, are all the adventures that await you after race day. Sunrise […]

  • Treat Trot

    Carpenter Park 3498 E 112th Ave, Thornton, CO, United States

    5k/10k/15k registration includes a custom bib, designer shirt, and a custom finisher medal! 1 Mile registration is untimed and includes a custom bib, designer shirt, and a custom finisher medal! The kid's dash is a fun, untimed dash for our kiddos ages 10 and under. Registration includes a mini bib, youth-sized shirt, and a specifically […]

  • Miles for Melanoma 5K

    Sloan's Lake Park 1700 Utica Street, Denver, CO, United States

    The Melanoma Research Foundation would like to welcome you to the 2022 Denver Miles for Melanoma 5K! This annual signature event will bring together local melanoma patients, survivors, care partners, supporters and healthcare heroes to fundraise and help continue the fight against melanoma.

  • CMRA John Meade 6K

    John Meade Park 2450 E Quincy Ave, Englewood, CO, United States

    We will start with a loop of John Meade Park before heading onto the Cherry Hills Trail for an out-and-back short cirtcuiting the initial loop. This race will be ~3.875 miles (6k) with the same course for walkers and runners. ~115ft. The course is nearly all trail or gravel path with 0.2 miles of paved […]

  • Sam’s Rainbow Run

    CSU Oval Fort Collins, CO, United States

    Sam was a remarkable young man whose life was tragically cut short in a plane crash in September 2022. At just 23 years old, Sam had recently graduated from Colorado State University (CSU) in December 2021 and was pursuing his dream of becoming a commercial airline pilot. He began flight training in the summer of […]

  • San Juan Trail Tri

    Ridgeway State Park 28555 Highway 550, Ridgeway, CO, United States

    Dash, Paddle, Pedal in beautiful Ridgway State Park. Our trail tri includes a 4 mile trail run, 1.5 mile paddle (SUP) & 8.5 mile mountain bike ride. Team and individual divisions.

  • Summer Sizzle 5K

    Railroad Park 1st St. & Pacific Ave., Fort Lupton, CO, United States

    The Summer Sizzle 5K isn't just a race; it's a summer festival! Bring your friends and family to enjoy a lively atmosphere filled with music, vendors, fitness classes on the fitness court and engaging activities for all ages. Make it a day to remember with a post-race celebration that captures the spirit of summer. Whether […]

  • Howelsen Hill Trail Run

    Steamboat Springs Running Series
    Olympian Hall 845 Howelsen Pkwy, Steamboat Springs, CO, United States

    Let the trail races begin!! This is a challenging trail run on the scenic single track trails of historic Howelsen Hill, Steamboat’s outdoor playground. The trails of Emerald are beautiful this time of year with abundant aspen trees and wildflowers. Distances: 8 mile and 4 mile

  • Springs Downhill Mile

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

    How fast can you run a mile? What if you got to do it on a downhill? We are partnering with RunMental to bring you the second annual Springs Downhill Mile on June 17th at North Monument Valley Park.

  • Winter Park Hill Climb

    Winter Park Peak to Peak Summer Showdown
    Winter Park Resort 85 Parsenn Rd, Winter Park, CO, United States

    Join us for a 10K hill climb, 10K run, or both. Ride up, run up, or double up! From junior athletes up to professional racers, we have a category that suits everyone - even if it’s your first race! We pride ourselves on offering a welcoming, fun race event for anyone who wants to get […]

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