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

Today

  • Horsetooth Half Marathon

    New Belgium Brewing Company 500 Linden Street, Fort Collins, CO, United States

    Welcome to the 53rd running of the Horsetooth Half Marathon. Your race will take you on a scenic point-to-point journey from Hughes Stadium, the former home of the CSU Rams, to the finish line party at New Belgium Brewery. On the way you’ll tackle the challenging hills of Centennial Drive along the shorelines of the […]

  • Quad Rock Trail Race

    Lory State Park 708 Lodgepole Dr, Bellvue, CO, United States

    Welcome to the Quad Rock 50 and 25 mile trail races, an event put on by trail runners for trail runners. Taking place on the trails and hills west of Fort Collins in Lory State Park and Horsetooth Mountain Park, the Quad Rock 25/50 will take you on a tour of the Fort Collins skyline, […]

    $125 – $170

  • Never Summer Ultra

    State Forest State Park 56750 CO-14, Gould, CO, United States

    The Never Summer 100km & 60km will take place almost entirely within the boundaries of State Forest State Park and run between the Never Summer Mountains on the northern border of Rocky Mountain National Park (RMNP) and the Medicine Bow Mountains to the north of Cameron Pass. The first 20 miles of each race will […]

    $175 – $440

  • Eltuck Valley 5K

    Lory Summer Trail Series
    Lory State Park 708 Lodgepole Dr, Bellvue, CO, United States

    Join us each Tuesday evening in August for a fun series of shorter midweek trail races. Our goal is to offer a fun, low-key series of races designed to give newer trail runners an opportunity to dip their toes into the trail racing waters, and to offer more experienced trail racers a chance to sharpen […]

    $25

  • Staunton Rocks! Trail Marathon

    Staunton State Park 12102 S Elk Creek Rd, Pine, CO, United States

    Welcome to the Staunton Rocks! Marathon & Half Marathon, an event put on by trail runners for trail runners on August 28, 2021. Touring the renowned singletrack of Staunton State Park in Colorado’s Front Range Mountains southwest of Denver, the race will take you back in time as you glide by historic buildings and old milling operations.

    $90 – $130

  • Black Squirrel Half Marathon

    Lory State Park 708 Lodgepole Dr, Bellvue, CO, United States

    The Black Squirrel Trail Half Marathon takes place on the wonderful trails of Lory State Park to the northwest of Fort Collins, CO. The trail half marathon course offers a tour of the outer boundaries of Lory State Park, providing breathtaking views to the east of Horsetooth Reservoir, Fort Collins and the Great Plains; and […]

    $90 – $125

  • 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

  • Long View Marathon

    City Park - Fort Collins 1500 W Mulberry St, Fort Collins, CO, United States

    Showcasing a unique city-to-city trail connection, The Long View Marathon and Half Marathon runs from Fort Collins to Loveland. Together, Gnar Runners and Sweetheart City Racing bring a unique collaboration to Colorado’s running scene in this one-of-a-kind race event.

    $65 – $120

  • Blue Sky Trail Marathon

    Blue Sky Trailhead County Road 38e, Fort Collins, CO, United States

    Taking place on the trails between Horsetooth Mountain Park and the Devil’s Backbone Open Space, the Blue Sky courses take you on a north-south tour of the easternmost hogbacks of Northern Colorado’s Front Range mountains. With a moderate amount of elevation gain and loss and a variety of terrain, the route offers a little bit […]

    $90 – $130

  • Colorado 24 Hour Run

    Colorado Youth Outdoors 4927 County Rd 36, Fort Collins, CO, United States

    Welcome to the Colorado 24 Hour Run! We aim to provide a fun, welcoming race experience that allows everyone to find a challenge, no matter where you’re at on your running journey. Want to see how far you can go in 6, 12 or 24 hours? Or achieve a new furthest distance? What about setting […]

    $90 – $200

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