Event details subject to change. Please confirm all information via event website.
Loveland Lake to Lake Triathlon
Loveland High School 920 West 29th St., Loveland, CO, United StatesLoveland 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 StatesThe 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 StatesAlthough 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 StatesJoin 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 StatesThe 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 StatesDress 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!
HRCA Independence Day 5K
Highlands Ranch Town Center 9352 Dorchester St., Highlands Ranch, CO, United StatesKick off your 4th of July with a family-friendly and festive 5K! This fun run/walk is perfect for first-time 5K participants, elite runners, kids, parents with strollers, and everyone in between - even your furry friend! After the race, head over to Highlands Ranch Parkway to catch the annual HRCA 4th of July Parade! We […]
Let Freedom Run 5K
Sandstone Ranch Open Space Sandstone Ranch Perry Park Road 80118, Larkspur, CO, United StatesDress 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!
Hahns Peak Hill Climb
Hahns Peak 64625 County Rd 129, Clark, CO, United StatesThis trail race is a new event that started in 2017 at the base of Hahns Peak in North Routt County. Running this course started with a few hardcore North Routt locals meeting at the beautiful Cabins at Historic Columbine every 4th of July. From there, they would race to the summit and fire outlook […]
Silverheels Trail Runs
Como Roadhouse 441 Boreas Pass Rd, Como, CO, United States**BIG CHANGES TO SILVERHEELS** HPRS continues to work in earnest on a newly revamped Silverheels Trail Runs experience. Traditionally the Silverheels 100-Mile was held in concert with The Last Call Fifties, and on the same weekend. We made the decision to move on from the “Last Call” name except for it’s attribution to the 50-Mile. […]
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