Logoletsrace
Colorado 13er (Half Marathon/10k/5k)
RunCO

Colorado 13er (Half Marathon/10k/5k)

June 7, 2026Louisville, CO

Course Distances

13.1M
10K
5K

About this race

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. ------------------------------------------- Join us for this exceptionally scenic, looped 13.1 course which runs through gorgeous Louisville, Colorado! We designed this course so that you can enjoy all of the spectacular views of the Flatirons that Colorado has to offer. Come see for yourself! Groups/Teams/Families: Save $5 per person for groups of 5 or more! See our FAQ page for more questions! Click the drop-down menu under "race info" for all race details! Any questions, please email us at info@colorado13er.com ------------------------------------------- Here's the good stuff!!- 10 water station passes- 5 port-a-john passes- 9 miles of FLAT, crushed gravel- nearby, free parking- spectator friendly- 13.1 finisher medal- 10k or 5k options available- iced towels at the finish line- gender-specific performance tees for every registrant- chip timed with texted results- live, real-time results posted online- 13.1 miles of million-dollar views AND- the amazing sense of accomplishment you can only get from running 13.1! (or 5k or 10k!)
RunSignupRegister now at RunSignup
RSU

Official Registration

Real-time pricing via RunSignup

Syncing with RunSignup...

Secure checkout opens in a new tab

More from 3W Races

Complete the series or find your next challenge

Around Louisville

Don't miss these other races in the area