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  • Garden of the Gods 10 Mile

    Garden of the Gods Park 1805 N 30th St, Colorado Springs, CO, United States

    The Garden of the Gods Ten Mile Run® is the premier race of Colorado Springs, coursing through the 300′ towering sandstone rock formations of Garden of the Gods Park, including […]

  • Treat Trot

    Norris Penrose Event Center 1045 Lower Gold Camp Rd # 3, Colorado Springs, CO, United States

    5k/10k/15k registration includes a custom bib, designer shirt, and a custom finisher medal! 1 Mile registration is untimed and includes a custom bib, designer shirt, and a custom finisher medal! […]

  • Mountain Swim Series I

    Union Reservoir 461 County Road 26, Longmont, CO, United States

    The Solstice Swim is a swim originally created in cooperation with the Longmont Kinetics Festival. Participants have the opportunity to swim either a 500-YD race, 1.2 mile race or a […]

  • Aces & Paces Poker Run

    Colorado Brewery Running Series
    Cohesion Brewery 3851 Steele Street #1388, Denver, CO, United States

    Join us for the Aces & Paces Poker Run 5k on June 14, 2026, for a 5k-ish, fun run event that starts and ends at Cohesion Brewing in Denver. Run, […]

  • Summit Trail Running Series II

    Summit Trail Running Series
    B&B Trailhead 1920 French Gulch Rd, Breckenridge, CO, United States

    Explore the trails of Breckenridge this summer with the 23rd annual Summit Trail Running Series with each race followed by a post-race party! The Series consists of 5 trail races […]

  • Boulder Stroke & Stride III

    Boulder Stroke & Stride
    Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

    The Boulder Stroke & Stride offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the […]

  • HRCA Happy Hour Half K

    Highlands Ranch Race Series
    Civic Green Park 9370 S Ridgeline Blvd, Highlands Ranch, CO, United States

    Looking for something to do with the whole family on Fathers Day Weekend? Look no further than the 3rd annual Happy Hour Half K at Civic Green Park. Have you […]

  • Bears Ears Ultra

    Forest Rd. 5419 Forest Rd. 5419, Monticello, UT, United States

    Introducing Bears Ears Ultra! A 50 mile, 50K, 33K, 13K event hosted in the quiet Abajo Mountains of Monticello, Utah.  The course treats runners to views overlooking Canyonlands National Park […]

  • San Juan Solstice 50 Mile Run

    Lake City Town Park 231 Silver St, Lake City, CO, United States

    About the run The first running was held on June 17, 1995 and it was known then as the Lake City 50. The snowfields on the Continental Divide prevented running […]

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