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  • Last Call Triathlon

    Boyd Lake State Park 3720 N Co Rd 11C, Loveland, CO, United States

    Yes! I want ONE MORE adventure!! Escape to the lake! The Last Call Triathlon will be an event you’ll look forward to all season long. Why? Beautiful mountain views, great weather […]

  • Colorado Coyotes Youth XC Invitational

    deKoevend Park 6315 S. University Blvd., Centennial, CO, United States

    Join us for the annual Colorado Coyotes Cross Country Invitational. This meet is open to all youth runners between the ages of 6-14 years old. The course is a mix […]

  • 14er Fest 14K and 5K

    The Trailhead 402 E Main St, Buena Vista, CO, United States

    5K: Grab some of the family or friends and join us for this 3.1-mile fun run and race! The race starts and ends right in the heart of vendor village. […]

  • Oktoberfest 5K

    Grand Valley Brew Runs
    WestCo Brewing 905 Struthers Ave, Grand Junction, CO, United States

    Put on your lederhosen and sneakers as we celebrate fall with a family-friendly, fun-filled morning. The course along the beautiful riverfront path is perfect for all ability levels, from first-time […]

  • Lions Roar 5K

    Clement Park 7306 W. Bowles Avenue, Littleton, CO, United States

    Lions Roar 5K is a family friendly 5K to support Leawood Elementary School PTSA!  We welcome all ages and abilities.  Our race takes place at beautiful Clement Park in Littleton, […]

  • Bear Chase Trail Race

    Bear Creek Lake Park 15600 W Morrison Rd, Lakewood, CO, United States

    The Bear Chase Race Endurance Festival is a 100K, 50 Mile, 50K, Half Marathon, Baby Bear 10K and 5K trail race at beautiful Bear Creek Lake Park, in Lakewood, CO. […]

  • Arches Marathon

    Behind the Rocks Trailhead Moab, UT, United States

    Started in 2004 as a fall companion to the popular Canyonlands Half Marathon, Arches Half Marathon has hosted many runners on the road course. In 2021, Arches became a trail […]

  • Colorado Springs Marathon

    Featured
    Pioneers Museum 215 South Tejon Street, Colorado Springs, CO, United States

    Join us for the 13th Annual Colorado Springs Marathon on Saturday, October 3, 2026! Whether you're a seasoned runner or taking on your first 5K, we have four exciting race […]

    $8

  • Above the Clouds Ultra

    Woodland Park Middle School 600 E Kelley's Rd, Woodland Park, CO, United States

    Experience the amazing Colorado fall colors, fast and flowing singletrack of Rampart Reservoir and the spectacular sweeping views of America’s Mountain, Pikes Peak, in the inaugural Above the Clouds Ultra!

  • West Elk Trail Marathon

    Crawford State Park - Iron Creek Campground 40468 CO-92, Crawford, CO, United States

    The West Elk Challenge is a point-to-point trail marathon (with a 30K option) through Western Colorado’s North Fork Valley and West Elk Mountains at peak fall colors. But it’s also […]

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