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About Our Business

Welcome to Mile High Karate, we sincerely appreciate you visiting our website to learn more about us. We value the opportunity to get to know you and serve you and your family. Mile High Karate has been enhancing lives, developing hundreds of Black Belts in Denver area Colorado since 1983 under the instruction of Grand Master Stephen Oliver, 9th Degree Black Belt. Amanda and Stephen Christensen are the owner's and operators the location in Thornton, Colorado and have been providing martial arts instruction for family's with Mile High Karate in the Thornton/Westminster Colorado area since 2003. They have actively worked with their community for over 20 years, supporting schools and raising thousands of dollars yearly by running before and after school enrichment programs teaching valuable character lessons through quality martial arts instruction in Jefferson, Adams, and Brighton School Districts. Those programs give back 100% of the funds raised through student participation and Mile High Karate donates their time teaching and materials to the kids and schools they teach.

Mile High Karate has an incredibly experienced and exceptionally trained instructional staff of 2nd, 3rd, & 4th Degree Black Belts , all developed through the Mile High Karate system of instruction and leadership. Alexandria Christensen, currently a 3rd Degree Black Belt is the head instructor in Thornton with extensive experience in working with children beginning teaching our Little Ninja Program at age 14. Ms Christensen served 6 years in the Colorado Army National Guard, and worked 4 years as a registered behavioral therapist for autistic children while studying at University of Colorado in Colorado Springs in behavioral psychology. Sarah Houston, 4th Degree Black Belt, is our Office manager and one of our Black Belt class instructors. Ms Houston began her training when she was just 11 years old and she has worked her way to being an invaluable leader and loved instructor coordinating events, organizing curriculum, developing staff. Ethan Tjeerdsma, 3rd degree Black Belt Certified Instructor and has been training since he was just out of diapers - Our students love Mr Tjeerdsma's instructional style, energy and connection to them. Mr Tjeerdsma's entire family are high ranking Black Belts and a valuable volunteer staff. Jessa Wanninger, 3rd Degree Certified Instructor, began her training participating in an after school enrichment program. She enrolled in the Black Belt Leadership Program and diligently worked her way through her belt ranks absorbing and now sharing the lessons she learned. Ms Wanninger is known for her exceptional ability to observe, connect and lead students through challenges. Besides our Instructional Staff, Mile High Karate offers a long line of experienced and continually trained Black Belt mentors who assist and contribute to our students growth while continuing their own training.

When you begin your training with Mile High Karate, you are not just considered students but part of our Mile High Karate Family.

Instructor/Owner Amanda and Stephen Christensen

Amanda and Stephen Christensen have been providing martial arts instruction for family's with Mile High Karate in the Thornton/Westminster Colorado area since 2003, shortly after they began their training with their 2 daughters, Alexandria and Kassandra Christensen. They have actively worked with their community for over 20 years, supporting schools and raising thousands of dollars yearly by running before and after school enrichment programs teaching valuable character lessons through quality martial arts instruction in Jefferson, Adams, and Brighton School Districts that give back 100% of the funds raised contributing their time and materials to the kids and schools they teach. Mile High Karate's proven developed and always growing system of martial arts and Black Belt development has helped them grow an incredibly experienced and exceptionally trained instructional staff of 2nd, 3rd, & 4th Degree Black Belts, including their oldest daughter who is now their head instructor in Thornton.

Why Choose Mile High Karate?

Mile High Karate provides High Energy and Fun classes that Build Unshakable Self Confidence, Laser-Like Focus, Powerful Self Discipline

The energy flow in the classes at Mile High Karate keep students engaged while building their focus. Our students build confidence through learning the valuable lessons taught in classes and earning recognition for applying them. While we keep classes physical and teach strong self defense, we show our students how to develop their focus and concentration through drills and skills designed to challenge them and help them grow. The powerful self discipline comes as kids learn how much easier it is to accomplish their goals and get what they want by building easy positive habits over time. All of these lessons are taught in such a Fun way that our students love to keep learning and growing.

Our Instructors and Black Belt Role Models really engage with our students

Our Certified Black Belt Instructors developed at Mile High Karate really care for our students. They are Professional, Personable and Highly Trained. Our Staff of Professional instructors spend as much time training their teaching, communication and leadership skills as they do training their expert martial arts skills so that they can meet each individual family's learning needs. You often hear positive growth recognition and feedback from not only the Instructors on staff but all of our leadership. Everyone knows the mission is to recognize all positive growth and give students all the tools they need to develop strong martial arts skills as well as skills they need to become successful and happy in life. Family's love the positive, professional, and caring environment at Mile High Karate and we couldn't do that without our incredible team of Instructors and Leaders.

Our Martial Arts Team Takes Great Pride In The Reviews We Receive

See What Our Community Members Say About Our Programs

PJ Megin

Receiving a black belt with them was awesome. II grew so much as a human and learned so much . I would highly recommend them, they are family.

Hillary T.

We have been a part of the Westminster MK family for over 3 years now and we couldn't be happier to be a part of such an amazing organization. The instructors are fantastic, teaching the kids not only martial arts but life lessons and healthy habits that will benefit them their entire lives!

Joe Tinsley

The good people of mile high karate in Thornton Colorado do such an amazing job of working with my grandson. They strive to give a very high quality education in not just karate but life skills to all of their students and it is absolutely amazing to watch them work! I highly recommend taking their 2 week introductory class for any age and experience their excellence for yourself!