3 events in Louisville, Colorado

Join us for a Kids’ Splash & Dash Series this spring at the Louisville Rec Center!

Get ready for a fun, energetic winter racing experience! Each event features an indoor swim in the Louisville Rec Center pool, followed by a run on the outdoor trail. In the case of bad weather, the run will move indoors to the running track.

This series is open to kids ages 6–14.

Register for a single race or sign up for the full series. Athletes who complete all races will earn points toward becoming the Series Champion.

Age Groups & Distances

6–8 yrs: 50-yard swim / 0.65-mile run

9–11 yrs: 100-yard swim / 1.3-mile run

12–14 yrs: 150-yard swim / 1.95-mile run

*Age is determined by the child’s age on December 31, 2026.

This race is sanctioned by USA Triathlon, which means all participants must have a current annual USAT membership. If you don’t already have one, you will be prompted to purchase it during registration for $10. The membership is valid for 12 months and only needs to be purchased once per year and can be used at any USA Triathlon sanctioned race during that 12 month period.

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!)