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

  • Oktoberfest Triathlon

    Union Reservoir 461 County Road 26, Longmont, CO, United States

    The annual Oktoberfest Triathlon on Saturday September 24th, 2022,  is the party of the season and also a 2022 Mountain Collegiate Conference Race!  As the leaves change color this race […]

  • Golden Gallop 5K/10K

    Golden High School 701 24th St, Golden, CO, United States

    “Howdy Folks! Welcome to Golden, where the west RUNS!” Starting beneath the City’s famous ‘Welcome’ arch, right in the center of historic downtown Golden, and finishing in Parfet Park beside […]

  • Expo Park XC Runs

    Expo Park 10955 E Exposition Ave, Aurora, CO, United States

    Old-school cross-country style courses with creek crossings and bale jumps. Youth races 1k - 4k. All-ages 5k. Individuals and teams.

    $20
  • Farmers 5000

    Wheat Ridge High School 9505 W. 32nd Avenue, Wheat Ridge, CO, United States

    The Farmers 5000 is likely one of the very first school-based 5K fundraisers in the state of Colorado. Since 1981, serious racers and weekend warriors alike have been coming to […]

  • Paul’s Mystery Ship To End ALS Walk

    105 West Brewing Company 1043 Park St, Castle Rock, CO, United States

    Paul’s Mystery Ship To End ALS launched in 2020 following Paul Dannels battle with ALS, a disease causing profound physical changes for individuals and families. Our foundation brings hope amid […]

  • Red Feather Trail Jamboree

    Ben Delatour Scout Ranch 2331 County Rd 68C, Red Feather Lakes, CO, United States

    Come enjoy the clean air and wild spaces of the Red Feather Lakes region in Northern Colorado at the Red Feather Trail Jamboree on September 17th. This 50K and half marathon takes place at the Ben Delatour Scout Camp and are designed to be beginner (or PR) friendly.

    $90 – $370
  • WILD Wahatoya Runs

    Cuchara Mountain Park 1234 Panadero Ave, La Veta, CO, United States

    Announcement: All Course Profiles and GPX files are released on the race website! Come join us to run through a magical part of history in the Cuchara Valley. The Spanish […]

  • Crested Butte Ultra

    Crested Butte Community School 818 Red Lady Ave., Crested Butte, CO, United States

    Crested Butte is known for having some of the best trails in the country. Runners will be challenged by this high altitude course. Its wide open views will amaze runners […]

  • Cougar Ridge Classic 26K

    Vail Village 292 E Meadow Dr, Vail, CO, United States

    We are thankful to be hosted by Vail Ski Resort for our start and Town of Minturn for our finish for the inaugural Cougar Ridge Classic 26K trail race. The course […]

  • West Line Winder 50K

    Buena Vista Heritage Museum 506 E Main St, Buena Vista, CO, United States

    With glorious views of the Collegiate Peaks and 4,000ft of ascent along the way, these 30 miles of buttery single track and forest roads in the heart of the valley are perfect for everyone from the first time 50k’er to the veteran trail runner. Join the fun on September 25th in Buena Vista, CO.

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