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  • Sheep Creek Triathlon

    Sheep Creek Front Gate 731 River Run Dr., Antonito, CO, United States

    Please join us on Saturday, July 5, 2025 for a morning filled with family fun!  Sheep Creek will be hosting a fun "triathlon" as part of our 4th of July […]

  • 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 […]

  • Aspen Valley Marathon

    Lions Park 101 Midland Ave, Basalt, CO, United States

    Mark your calendars – Don’t miss out on this exhilarating race through the stunning landscapes of Aspen, Colorado! Join us for a one-of-a-kind experience that you’ll cherish forever. The Aspen […]

  • Kids’ TRY-athlon

    H2O'Brien Pool 10795 Victorian Dr, Parker, CO, United States

    This event is all about fun over competition. Boys and girls of all ability levels show their skills in three events: swimming, biking and running. Come on, kids, TRY it […]

  • Canceled Powderhorn Mountain Ultra

    Powderhorn Mountain Resort 48338 Powderhorn rd, Mesa, CO, United States

    The Powderhorn 6 or 12-Hour Mountain Ultra is here to challenge your endurance, strength, and willpower with two exciting options. Whether you're a trail-running/hiking enthusiast or a vertical-climbing beast, we […]

    $170

  • Pioneer Days 5K

    Jack Dempsey Park 412 Main St, Manassa, CO, United States

    Come join 500 of your running friends for southern Colorado's oldest and perhaps largest road race. This 5K starts and ends near Jack Dempsey Park. After the race, stick around […]

  • Respect Life 5K

    Light of the World Catholic Church 10316 W Bowels Ave, Littleton, CO, United States

    The race is the same as last year, including the new course (the path was repaved and widened!). You can participate as a runner, walker, donator, or volunteer. 5K runners […]

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