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

location_city Louisville

location_on Colorado

flag United States

calendar_today 07 Jun, 2026

directions_run Running

language Official Website

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About the Event

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.

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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

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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!)

Races Offered

5K

Jun 07, 2026

straighten

Distance — 5K

terrain

Type — Road running

timer

157 days remaining

10K

Jun 07, 2026

straighten

Distance — 10K

terrain

Type — Road running

timer

157 days remaining

Half-Marathon

Jun 07, 2026

straighten

Distance — Half-Marathon

terrain

Type — Road running

timer

157 days remaining

Weather Overview

These values represent the 3-year monthly averages for June in Louisville.

Temp (°C)
Feels Like (°C)
thermostat 12.9° / 27.7°
wb_sunny 10.5° / 25.1°
Wind (km/h)
Humidity (%)
air 9.3 /
water_drop 50.9%

About Louisville

Scenic view of

Louisville, the largest city in Kentucky, is known for the Kentucky Derby horserace and as the "gateway to the south" from southern Indiana. It's a lively mid-sized city with an excellent dining scene, ample opportunities for bourbon tasting, and interesting public art. Louisville is also the namesake of the Official Bat of Major League Baseball — the Louisville Slugger.

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Hotels & Places to Stay

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