Contact Us National Karate - Academy of Martial Arts


Central Park Square
1422 Mainstreet
Hopkins, MN 55343
United States
School Owner: Mr. Jeff Sidner, 6th Degree Black Belt
School Manager/Head Instructor: Mr. Barry Maxwell, 3rd Degree Black Belt
Instructors: Mr. Tim Fruth, 3rd Degree Black Belt
Mr. Justin Wilson, 2nd Degree Black Belt
Mr. Matt Larson, 1st Degree Black Belt
Office Manager: Ms. Tammy Goodwater.
About Hopkins National Karate

Since 1973, the National Karate Academy has been dedicated to helping men, women and children discover the benefits of martial arts training.

Physical strength, flexibility and weight control are developed through high repetition natural body exercises.

Mental confidence is achieved from time-tested & effective self-defense skill.

NK training teaches respect, self-discipline and perseverance.

NK’s black belt professional instructors are highly trained and dedicated to help all students achieve their life goals.

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About Mr. Jeff Sidner

Jeff Sidner began his martial arts training in 1989. After trying several schools, he found the Maplewood National Karate School in 1992 and immediately knew he’d found his martial arts home. He was promoted to 1st Degree Black Belt in 1995 and currently holds the rank of 6th Degree Black Belt.


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REMINDER: No Adult Class (6:45) tomorrow (Friday 1/15/21)! Black Belt Screenings taking place - DO WELL CANDIDATES - WORK HARD! ... See MoreSee Less

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Sparring drills @ 9:10 AM! Rocking the masks and social distancing!

Have I mentioned that we love karate?
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SOOOO Great to have students in the classroom! ... See MoreSee Less

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NEW SCHEDULE (Effective 1/4/2021)
Contact school for zoom codes
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We are reopening Monday 1/4/21

We will be open for classes starting today, Monday 1/4/21! Mask-up. Social Distance. Kick this new year off with some in-school Karate!!!

Zoom will continue for those who need to remain remote.

Watch for additional information to follow, including an updated Saturday schedule!
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*2 week trial is a one-time offer for new students only. Uniform purchase required.