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

  • Desert’s Edge Triathlon

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

    JOIN US AT THE EDGE OF THE DESERT IN WESTERN COLORADO FOR THE 2026 DESERT'S EDGE TRIATHLON SERIES    ​sprint, Olympic, Collegiate draft legal, and Off-Road sprint RACES

  • John Wayne True Grit Trail Half Marathon

    Red Cliffs Lodge Mile Post 14 Hwy 128, Moab, UT, United States

    The True Grit Run meanders through the forest at the base of the San Juan Mountain where True Grit was filmed. The courses run on single track trails and fire roads on five private ranches only accessible by participating in this event. The spectacular scenery includes views of the San Juan Mountains, the True Grit […]

  • Night Nation Run

    Dick's Sporting Goods Park 6000 Victory Way, Commerce City, CO, United States

    The Night Nation Run is the World’s first Running Music Festival the ultimate blend of a Music Festival and a Fun Run. Experience a music filled course with Live DJs, Bubble Zones, Light Shows, Neon and Black Lights! Cross the finish line into an Epic Main Stage After Party featuring Top Headliner DJs! To date, over 1.5 MILLION people […]

  • Sawatch Ascent 50K

    County Road 321 Nathrop, CO, United States

    Built to showcase the stunning beauty of the Sawatch Range, this high alpine and vert-heavy 50K will challenge and inspire you in equal measure! From starting under the shadow of Mount Princeton and the endless miles of buttery, aspen shaded Colorado Trail singletrack, to the awe-inspiring high point of 13,150ft and panoramic views of Colorado’s highest range, you will get to experience the wonders of the Sawatch over 33 miles and 7,000ft of vertical gain.

  • Boulderthon

    Pearl Street Mall 11th and Pearl St, Boulder, CO, United States

    Run one of the fastest-growing, top-rated marathons in the country! After nearly tripling in size and selling out last year, Boulderthon has instituted a new 5,000 runner cap and is expected to sell out again this year. Run a 5k, 10k, Half, or Full, at the foothills of the Rockies, in the stunning running mecca […]

  • 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 and a family fun venue! Did we mention camping? Yup! There’s that too. Sitting on the east side of Loveland and southeast of Fort Collins, […]

  • 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 of mostly grass and crushed dirt rock with a few sidewalk crossings and a few hills. The Invitational will be professionally chip timed by Colorado […]

  • 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. Ultra races on Saturday, short trail races on Sunday An excellent race for first time trail and ultramarathoners, runners will experience a variety of challenging […]

  • 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 event. The new course features beautiful red rock formations, views of the snow covered La Sal Mountains and the awe inspiring Behind the Rocks Wilderness […]

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