From big races to Saturday morning group runs—find 10k events and connect with the local endurance sports community.
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 [email protected]
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!)
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!
Sign up for a team and each member saves $5! (Registrations for the kids race do not count toward the team discount) See our FAQ page for how team pricing works!