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

Get ready to hit the ground running at the Colorado 13er—a half-marathon that's a cut above the rest! Here, the trail and the track meet in perfect harmony to give you a 13.1-mile challenge that's as good to your joints as it is thrilling for your spirit. Whether it's your first run or your fiftieth, you'll find our top-notch crew ready to guide you to the finish line with unmatched support and clear communication.

The course itself is a thing of beauty, boasting a scenic loop through the stunning landscapes of Louisville, Colorado, with the majestic Flatirons as your backdrop. Experience the buzz of competition and camaraderie, and don't forget—groups bag a neat discount! End your run with a flourish, basking not just in glory, but also in practical perks like iced towels, gender-specific tees, and live-texted results to keep your fans updated in real-time. Come be a part of something amazing and leave with a medal and memories that last a lifetime!