Prairie Dog Run Series

More races nearby

• Colorado 13er (Half Marathon/10k/5k) [runsignup.com]

  Sun, Jun 07, 2026 at 6:30 AM

  Description

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  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...

  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!)

  3.2 km from Louisville
  1200 Dillon Road, Louisville, Colorado, 80027, United States
  OpenStreetMap Google Maps

  5k 10k 13.1 Miles Gravel Half Marathon Run Trail

• BRR All-Comers Summer Track & Field Series #1 [boulderroadrunners.org] [Register at runsignup.com]

  Thu, Jun 11, 2026 at 4:30 PM

  Description

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  Fun for all, from newcomers of any age racing for the first time to veteran competitors looking to test their fitness, all in a friendly, welcoming environment.

  We are back at CU Pott’s Field on a...

  Fun for all, from newcomers of any age racing for the first time to veteran competitors looking to test their fitness, all in a friendly, welcoming environment.

  We are back at CU Pott’s Field on a brand new track!! This summer we are hosting four total events in June, July and August at CU Potts Field, Boulder. And this means we can run our full schedule of track events (including the Steeplechase on July 18), jumps, and throws!!

  BRR Members Save $5 off adult pricing!

  Use the email address associated with your membership. Non-Members can easily join in the registration process to immediately save.

  9.3 km from Louisville
  Boulder, Colorado, 80305, United States
  OpenStreetMap Google Maps

  3k Run

• Tutu Dash 5K [runsignup.com]

  Sat, Jun 13, 2026 at 9:00 AM

  Description

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  Grab those tutus and come run with us to raise money for the Colorado Conservatory of Dance. This run/walk will be a party full of smile, music, and dancing! The 5K is a 3 loop course on a...

  Grab those tutus and come run with us to raise money for the Colorado Conservatory of Dance. This run/walk will be a party full of smile, music, and dancing! The 5K is a 3 loop course on a combination of dirt trail and sidewalk at Broomfield County Commons Park. The course is on beautiful open space with mountain views. Bring the kids for the 1 mile fun run!

  The Colorado Conservatory of Dance is a nonprofit organization in Broomfield Colorado. CCD has served over 9,000 people each year for more than 30 years through education, outreach, and performance.

  CCD is a dance home to young and old and is a strong beautiful community.

  The Tutu Dash has been organized to help reach our overall goal of $50,000 to assist with our move to your new studio space. Thank you for your willingness to support CCD so we can save our dance home.

  8.6 km from Louisville
  13200 Sheridan Blvd, Broomfield, Colorado, 80020, United States
  OpenStreetMap Google Maps

  1 Miles 5k Fun Run Run Trail Walk

• BRR All-Comers Summer Track & Field Series #2 [boulderroadrunners.org] [Register at runsignup.com]

  Thu, Jun 25, 2026 at 4:30 PM

  Description

  ▼ Show more Show less

  Fun for all, from newcomers of any age racing for the first time to veteran competitors looking to test their fitness, all in a friendly, welcoming environment.

  We are back at CU Pott’s Field on a...

  Fun for all, from newcomers of any age racing for the first time to veteran competitors looking to test their fitness, all in a friendly, welcoming environment.

  We are back at CU Pott’s Field on a brand new track!! This summer we are hosting four total events in June, July and August at CU Potts Field, Boulder. And this means we can run our full schedule of track events (including the Steeplechase on July 18), jumps, and throws!!

  BRR Members Save $5 off adult pricing!

  Use the email address associated with your membership. Non-Members can easily join in the registration process to immediately save.

  9.3 km from Louisville
  Boulder, Colorado, 80305, United States
  OpenStreetMap Google Maps

  3k Run

• Let Freedom Run 5k/10k - Louisville [runsignup.com]

  Sat, Jul 04, 2026 at 7:30 AM

  Description

  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!

  279 m from Louisville
  900 Via Appia Way, Louisville, Colorado, 80027, United States
  OpenStreetMap Google Maps

  5k 10k Run