Mile High Karate Thornton
Martial arts for Westminster families
Westminster families have trained with the Christensens’ Mile High Karate since 2003. Today they train at Mile High Karate Thornton on E 120th Avenue.
Thornton, CO 80233(303) 280-1839Serving Westminster
The same owners, the same Black Belt program
Westminster, Colorado families train at Mile High Karate Thornton, 3979 E 120th Avenue, Thornton, CO 80233. Owners Amanda and Stephen Christensen have led Mile High Karate in the Thornton and Westminster area since 2003, including the former Mile High Karate Westminster school.
Westminster students and parents have trained with Mile High Karate for years, many of them as families working toward Black Belt together. E 120th Avenue connects Westminster to the Thornton school.
Mile High Karate Thornton teaches kids karate for ages 4–6 and 7–12, preschool martial arts, teen and adult classes, family classes and bully prevention.
The school is part of the Mile High Karate organization founded in Colorado by Grand Master Stephen Oliver in 1983, which has promoted more than 1,000 Black Belts.

Classes for every age

Kids karate, ages 4–6 and 7–12
Focus, confidence and respect, with the Black Belt as each child’s long-term goal.

Preschool martial arts
Short, active classes that build listening, coordination and focus.

Teen martial arts
Fitness, self-defense and leadership for teenagers.

Adult martial arts and self-defense
Conditioning and practical self-defense for any starting fitness level.

Family classes
Parents and children training together.

Bully prevention
Confidence first, physical skills last.

Before- and after-school programs
Enrichment in the Jefferson, Adams and Brighton school districts.
What Westminster families say
This program has been great for my family. We started my son when he was 4 years old, and I soon joined him on the floor. I was able to spend 100s of quality hours with my boy in an activity that we both could enjoy. My wife joined us a few years later. This program helped teach my son leadership skills, public speaking skills, self confidence, and how to set and achieve any goals he creates for himself.Marc Nemeth · Parent, Westminster · Google review
Mile High Karate has been such an amazing experience for our family. It has helped our bored 10 year old find passion in a sport. … My husband and myself also joined the program … The fact that we could join as a family and work towards a common goal is priceless.Kellie O. · Parent, Westminster · Yelp
My son has been at Mile High Karate Westminster for a year now. He has become more confident and he loves learning new forms and combos. The staff is incredible and we have made amazing friends along the way!Shelly Martinez · Parent, Westminster · Google review
The owners are wonderful and the instructors care about the students. I love being there, and watching the owners train right along side of me is great to see.Valerie Allen · Adult student, Westminster · Google review
The atmosphere is friendly and family oriented with instructors that actually care about their students. I have enrolled my entire family and we all enjoy our time here learning as a family and this experience and atmosphere has brought us closer as a family.Greg McGinn · Parent, Westminster · Google review
Has taught our kids an immense amount of confidence, self-discipline, and reinforced manners. Treat our kids like they are family, very welcoming, and friendly!Hillary Baker · Parent, Westminster · Google review
Reviews are quoted as written, shortened where marked. Read more reviews.
Westminster questions
- Is there a Mile High Karate in Westminster, Colorado?Westminster families now train at Mile High Karate Thornton, 3979 E 120th Ave, Thornton, CO 80233. It is led by Amanda and Stephen Christensen, who have led Mile High Karate in the Thornton and Westminster area since 2003.
- What martial arts classes are near Westminster?Mile High Karate Thornton teaches kids karate (ages 4–6 and 7–12), preschool, teen, adult and family martial arts, and bully prevention. Call (303) 280-1839.
- What age can my child start karate?Classes start at age 4. Mile High Karate runs separate classes for ages 4–6 and 7–12, and there is no upper age limit: Black Belts have been promoted as old as 76.
- How long does a Black Belt take?About 48 months of consistent training, finishing with a three-day testing retreat in Breckenridge, Colorado.
- How do I book a first class?Call (303) 280-1839 to book an introductory lesson. Wear comfortable exercise clothes and bring water.
More answers: Mile High Karate Thornton parent FAQ.
Westminster families: book a first class
Call to book an introductory lesson at 3979 E 120th Ave, Thornton, CO 80233.
(303) 280-1839© Mile High Karate, LLC and Stephen Oliver – All Rights Reserved. Mile High Karate® is owned by Mile High Karate, LLC, Stephen Oliver – Founder, CEO.