Group of children in a karate stance

Developing Karate Athletes
of the Highest Level

Welcome to IMA Karate

Our karate family invites you to join us to develop the highest level of technical and philosophical skills in Traditional and Sport Karate.  We welcome dojos, clubs, and other organizations to learn about our unique methods of teaching karate for all ages and abilities.

If you are looking for strong and non-political karate  organization, the International Martialarts Association (I.M.A) has built a reputation for producing students and instructors of the highest standards for over 20 years.

Learn more about IMA Karate

News & Announcements

  • 2023 Gasshuku

    2023 Gasshuku

    Oct. 6-8, 2023 Please mark your calendar for another exciting Gasshuku in Colorado. We are excited to announce having a special guest in addition to other great instructors. Gakuji Tozaki is one of the top ranks “4 in the world” kata competitors with hundreds of national and international medals and titles is our honor guest…

    Read More

  • 2022 Rocky Mountain Gasshuku

    2022 Rocky Mountain Gasshuku

    2022 Gasshuku will take place on October 7-9 at IMA HQ and Zoom. We will be celebrating the 28th anniversary of Gasshuku in a totally different environment than traditional get-away and in the mountain. This will be in-person (& zoom) event since the start of the pandemic, and we look forward to your participation to…

    Read More


Kyu Testing:
October 28th

Dan Testing:

group photo of instructors and students

Join IMA Honbu Dojo in Louisville CO

Many factors make IMA Karate in Louisville, Colorado a unique place to pursue the study of martial arts for you and your family:

  • Conveniently scheduled, year-round training classes
  • Convenient location for Boulder County and Denver residents
  • Competitive monthly fees with no contract required
  • World-recognized instructors for students of all levels and abilities

IMA Competition Team

The dojo has an elite competition team that trains as hard as any high school sports team and routinely has athletes winning major tournaments and even competing for spots on the US Olympic team.

group photo of students holding up medals
young studens in line watching instructor

Student Resources

Whether your interest in karate is simply a means of improving your physical fitness, helping yourself gain focus and concentration or working to compete at the highest levels in tournaments worldwide (currently, 6 IMA students are members of the US National Team!), most of the the information you’re going to need can be found here.