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

  • Father’s Day Classic

    Apex Center 13150 W 72nd Ave, Arvada, CO, United States

    It's an annual Fathers Day tradition in Arvada! All are welcome - walkers, joggers and speed demons, too! Swag includes t-shirts for ALL participants! The Fun Run is an un-timed 1 mile out and back run/walk and the MANLY MILE is open to men and is a TIMED race!

  • Highline Canal Summer Scamper

    Bible Park 6802 E Yale Ave, Denver, CO, United States

    The third annual High Line Canal Summer Scamper, 5K for All, will take place on the evening of June 25 at Bible Park in Denver. Before the 5K enjoy a free 200m Ditch Dash for kids 8 and under. Then scamper along the Canal – whether that’s running, walking or strolling – with a smile […]

    $30 – $45
  • The John Cappis

    Silverton 414 Greene Street, Silverton, CO, United States

    What A free mountaineering jaunt originated by James Varner in honor of the legendary John Cappis, one of the founders of the Hardrock 100. The course gets tweaked from year to year, but here is the fundamental idea: Summit several of the peaks surrounding Silverton Unmarked course (gps track provided) Mostly off-trail Approximately 50k and […]

  • Timberview Trail Run

    Lory State Park 708 Lodgepole Dr, Bellvue, CO, United States

    Crisp morning air and a summer sunrise in Colorado. YES PLEASE! Join us on the foothills at Lory State Park for a fun & beautiful morning trail race. This run race features three distances (a 10 mile, a 5 mile and a 5K) that are great for just about any level athlete at any age. Run on […]

    $20 – $50
  • Loveland Lake to Lake Triathlon

    Loveland High School 920 West 29th St., Loveland, CO, United States

    Loveland Lake to Lake Triathlon has welcomed athletes from Northern Colorado, this entire state, region, country,  and outside the USA for 24 years and we are excited about our 2025 edition. Athletes have ONE OPPORTUNITY each summer to compete at this beautiful venue. Loveland CO~ one opportunity, one time each summer on a Saturday morning […]

  • Slacker Half Marathon

    Strousse Park - Georgetown 6th & Rose St, Georgetown, CO, United States

    The Slacker races are always held on the 4th Saturday in June! We’re excited to announce a new change for next year:  wave starts will be enhanced to help ensure a smoother race start. Be sure to watch for this update when registering! We can’t wait to see you at the starting line!

  • Blue Sky Ascent

    Echo Lake Campground 13264 Chicago Creek Rd, Idaho Springs, CO, United States

    Although the air will be noticeably thin at the starting line, Echo Lake's 10,600 feet of elevation is just the beginning. The climb totals nearly 4,000 vertical feet - much of it above treeline - as you make your way 14.5 miles to the finish line located at the summit of one of the most […]

  • Boulder Sunrise Triathlon

    Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

    Join us in celebrating the start of summer in the triathlon capital of the country, Boulder, CO. An athlete favorite with its breath-taking sunrise swim, fast bike and smooth run course, all with the flatirons painted in the background. You’ll never want to race another venue again after this experience! The seasoned race crew led […]

  • Boulder Sunrise 5K/10K

    Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

    The Boulder Sunrise 10k & 5k Run has a reputation of being one of the most scenic courses around. BBSC will provide runners with a supported course, including plenty of aid stations fully stocked and staffed with volunteers. Once you reach the finish line enjoy the post-race party with music, beer, food, and awards! This […]

  • Let Freedom Run

    Louisville Recreation and Senior Center 900 Via Appia Way, Louisville, CO, United States

    Dress up as your favorite American Hero! This could be your mom, dad, Albert Einstein, Batman, Superman, or the Powerpuff girls! This event is all about celebrating GREAT people who do and have done GREAT things! Come be GREAT with us!

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