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

  • Trail Sisters Half Marathon

    Whitewater Park 913 E Main St, Buena Vista, CO, United States

    Come run a Half Marathon or our new 10k that twist and turn through sage brush and ponderosa pines, all while providing stunning views of the Collegiate Peaks. Located in the Rocky Mountains along the roaring Arkansas River. Trail Sisters was founded on the ethos of empowering women to participate in trail running. There is […]

  • RINO 5K

    Marine Layer 2700 Larimer St, Denver, CO, United States

    Take the roads of the RiNo Art District this fall for a fun run or walk through Denver’s most vibrant neighborhood. Sign up for the 5K or 1 mile, or both, and explore the amazing street art during a morning of community, exciting races and positive vibes!

  • Spooky Sprint Half Marathon

    Goose Gossege Park 3950 Mark Dabling Blvd, Colorado Springs, CO, United States

    Join us for the annual Spooky Sprint 5k/10k & Half Marathon! A fun, Halloween-themed event that is perfect for the whole family.

  • Great Bison Shuffle

    Terry Bison Ranch 51 I-25 Frontage Road, Cheyenne, WY, United States

    Join the Cheyenne Regional Medical Center Foundation for this scenic trail run/walk at the Terry Bison Ranch. Distances include a half marathon, 10K, 5K and 2K. The terrain includes gentle rolling prairie pasture, a short rocky hill we refer to as “The Terry Bison Incline”, and buffalo trails. This scenic course is at times challenging […]

  • Desert’s Edge Triathlon

    Highline Lake State Park 1800 11 8/10 Rd, Fruita, CO, United States

    Join the Grand Junction Sports Commission for the 2025 Desert's Edge Triathlon Series. After a modified event in 2024, we are back with all of the usual race distances, at Highline Lake State Park.

  • Blisters & Brews 5K

    Elks Park 236 W Colorado Ave, Telluride, CO, United States

    Blisters & Brews is a 5k Fundraiser Race on the morning of Saturday, September 14, giving Festival attendees the opportunity to exercise before the Festival. Presented by the Telluride Blues Society, the 5k Race will raise money for the Telluride Adaptive Sports Program in remembrance of dear festival friend Felix Snow. Through registration fees, donations […]

  • For a City 5K

    Thrive Church 9830 Lone Tree Pkwy, Lone Tree, CO, United States

    Hey Runners! Did you know that Douglas County has one of the highest percentages of teen suicide in the United States? Thrive Church is committed to awareness of this crisis and being on the solution side of the problem. We've partnered with the Children's Hospital to take intentional steps to make a difference, and we […]

    $50
  • Vail Trail Running Series

    Meadowgold Trail Run

    Minturn Ranger Station 24747 US Highway 24, Minturn, CO, United States

    There's No Way They Grew Lettuce Here! The seventh and final race in the Vail Recreation District's Vail Trail Running Series, the MeadowGold 11K & 5K is presented by Town of Minturn. This exciting and remote route will take place on Meadow Mountain in Minturn, Colorado. Traverse across this beautiful and historic mountain meadow and soak in the […]

  • The Denver 5K

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

    THE Denver 5k! Denver's Iconic Sloan Lake is the setting for the return of 'THE Denver 5k'. Celebrate with friends and family as you race around the lake in the shadow of Denver's skyline. Group pricing applies; youth and senior pricing are offered as well! Held at the start of September, THE Denver 5k is […]

  • Splashland Triathlon

    Splashland Swimming pool 5895 CO. Hwy 17, Alamosa, CO, United States

    Catch a glimpse of the Great Sand Dunes National Park with six 14’nrs in the background Mt. Blanca, Colorado’s 3rd highest peak overlooks the valley floor.

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