Event details subject to change. Please confirm all information via event website.
Highlands Ranch 5K
Winter never disappoints us when racing in February in Highlands Ranch! You won't feel chilly after a course so hilly! After conquering the 5k, warm up with hot apple cider or hot cocoa at the finish line in your new FINISHER mug!
Erin Go Braugh 7.77K
Join us for the annual Erin Go Bragh 7.77k! This is THE LUCKIEST race on earth! There may not be a real pot of gold at the finish line of this happy-go-lucky fun run, but there WILL be UNLIMITED Lucky Charms, some lucky Contests, a Dance Party, and more! Woot Woot!
Central Park 5K
Is it spring or still winter? We'll know when we run the Central Park 5k at the end of March! Celebrate the end of winter with us on this flat and fast course in the historic Central Park neighborhood!
Spring Fling Prairie Dog Half
Apex Center 13150 W 72nd Ave, Arvada, CO, United StatesWelcome to the SPRING FLING Prairie Dog Half, part of the Prairie Dog Half Race Series. This spring-time event also features 10k & 5k distances!
Unicorn 5K
Ready to gallop around Denver with some friends? Yeah, you are! Come frolic with us at the Unicorn Runner 5k at Great Lawn Park to kick off your spring running season! You'll earn a sweet tee shirt and a flashy unicorn finisher medal!
Longmont Half and 5K
Longmont's only Half Marathon - now offered in the cooler month of MAY! Join the Half Marathon or 5k distance! Walkers and Runners of all abilities welcome!
Colorado Women’s Classic
We are excited for the 2026 Colorado Women's Classic! While focused on women, all genders are WELCOME at this event!
Colorado 13er
The Colorado 13er is THE event where the best parts of trail running and road racing combine to create a truly enjoyable, kind-to-your-body, well-supported 13.1 race! Seasoned runners and first-timers alike appreciate the excellent communication from the 13er race crew who make this event accessible for athletes of all levels.
Unicorn 5K
Ready to get off the sofa and gallop around Thornton with some friends? Yeah, you are! Come frolic with us at the Unicorn Runner 5k in Thornton to kick off your summer! You'll earn a sweet tee shirt and a flashy unicorn finisher medal!
Father’s Day Classic
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!
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