10K

Welcome to the Summer Splash Prairie Dog Half, 10k & 5k in Castle Rock, Colorado. Part of the Prairie Dog Half race series, join us in July as we race […]

This race is conveniently located on the scenic west side of metro Denver. Bear Creek Lake Park is known for it’s diverse bird and waterfowl population as well as stunning […]

Get ready for the Best Dam Run you’ll ever do! From your first step to your finish-line celebration, this race is packed with epic views, big accomplishments, and just the right amount […]

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 […]

“Howdy Folks! Welcome to Golden, where the west RUNS!” Starting beneath the City’s famous ‘Welcome’ arch, right in the center of historic downtown Golden, and finishing in Parfet Park beside […]

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 […]

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 […]

The Boulder Rez Marathon is quickly becoming a Boulder classic! This isn’t just another run around the lake. September temperatures will create the perfect race atmosphere. BBSC will offer a […]

We are excited for the 2026 Colorado Women’s Classic! While focused on women, all genders are WELCOME at this event!

It’s the Westy Winter Waggle 5&10k! Come waggle with us along an accurately measured, professionally timed course where you’re welcomed by super friendly volunteers who wanna waggle with ya in […]