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

  • Gold Roots Trail Series

    Gold Roots Trail Series #2

    Courtney Ryley Cooper Park 2350 Colorado Blvd, Idaho Springs, CO, United States

    Run the Mighty ARGO hill this summer in a 4 race series! You will have the option of a short loop (~5 miles, ~750' gain) or a long loop (~9 […]

  • Hardrock 100 Endurance Run

    Memorial Park - Silverton 1800 Greene St, Silverton, CO, United States

    About The Run The Hardrock Hundred Mile Endurance Run is an ultramarathon of 100.5 miles in length, plus 33,050 feet of climb and 33,050 feet of descent for a total […]

  • Chase the Moon Trail Race

    Mountain Vista High School 10585 Mountain Vista Ridge, Highlands Ranch, CO, United States

    Chase the Moon is a 12-hour team relay and solo ultramarathon, run overnight under the light of the full moon in the Highlands Ranch Backcountry trail system (we promise some […]

  • Silver Rush 50 Mile

    Leadville 124 E. Sixth Street, Leadville, CO, United States

    Take on 50 miles of extreme territory that starts at 10,200 feet and reaches 12,000 feet on four separate occasions at the Silver Rush 50 Run. It will leave your […]

  • All-Out Dog Days

    Church Ranch Office Park 10170 Church Ranch Wy, Westminster, CO, United States

    Get ready for some fun in the sun and a great mid-season test of your training as we bring our 11th Annual Dog Days 5K, 10K & Half Marathon! Centrally […]

  • LG Triathlon

    Siena at Brightwater 1000 Brightwater Club Drive, Gypsym, CO, United States

    Can you keep a secret? Eagle, Colorado, is a special place, and they have a fantastic triathlon that you should not miss. They're calling for triathlon experts, newbies, and everyone in between, including the kids! Join them on July 9th for the 14th Annual LG Tri, a sprint triathlon held in the beautiful Vail Valley town of Eagle.

    $40 – $150
  • Pagosa Duathlon

    Turkey Springs area Cnr Turkey Springs & Monument Rds, Pagosa Springs, CO, United States

    The venue of the San Juan National Forest could not be more perfect for the Pagosa Duathlon as athletes trek through aspen groves, grassy fields, and the dreaded rocky Piedra Stock driveway. Join Rise Above Violence on July 10th in Pagosa Springs for this annual event.

    $45
  • Heritage Eagles 5K

    Heritage High School 1401 W Geddes Ave, Littleton, CO, United States

    Support the Heritage Eagles cross country team at the annual Heritage Eagles 5K. Last year's race, raised over $3,500 for the Heritage Eagles xc team; $ 10.00 of every registration […]

  • Staunton State Park 6 Mile

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

    The second of Evergreen Park and Recreation District's four-race trail series. Join us at Staunton State Park for a beautiful 6-mile trail race. Please bring a water bottle; this is […]

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