Contact Us National Karate - Academy of Martial Arts


5141 West 98th Street
Bloomington MN 55438
United States
School Owner: Mr. Jeff Sidner .
Director/Head Instructor: Ms. Samantha Barron
Instructors: Ms. Anna Smith
Ms. Haley Barron
About Bloomington 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.

Class Schedule

Special Offer


Connect With Us

School Events

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.


Contact Us

    Connect with us

    This message is only visible to admins.

    Problem displaying Facebook posts. Backup cache in use.
    Click to show error

    Error: Error validating access token: The session has been invalidated because the user changed their password or Facebook has changed the session for security reasons.
    Type: OAuthException
    Solution: See here for how to solve this error

    There is still time to sign up!Infinity National Championships isn't just a tournament, it's a tournament experience! Our Grand Champions win sweet custom made trophies, who wants one?

    Registration CLOSES TOMORROW at 11:59pm, stop delaying and register NOW at
    ... See MoreSee Less

    View on Facebook

    Congratulations to our students who competed in the Central States Karate Championships tournament on Saturday! This family of warriors took first place in all of their events. Way to rock the tournament!

    #karatelife #karatefamilies #karatetournament #tournament #champions #nationalkarate #mightforright #karate
    ... See MoreSee Less

    View on Facebook

    📍 𝖢𝖾𝗇𝗍𝗋𝖺𝗅 𝖲𝗍𝖺𝗍𝖾𝗌 𝖪𝖺𝗋𝖺𝗍𝖾 𝖢𝗁𝖺𝗆𝗉𝗂𝗈𝗇𝗌𝗁𝗂𝗉𝗌 2022
    🏆 Mr. Dan McDonough (Cottage Grove NK): 40+ BB Forms/Weapons
    🏆 Mr. Brian Sherve (Andover NK): 30-39 BB Forms/Weapons
    🏆 Ms. Shannon Olson (Andover/Ramsey NK): 18-29 BB Sparring
    🏆 Ms. Melissa Gerdes (St. Cloud NK): 40+ BB Forms/Weapons
    🏆 Mr. Eric Quackenbush (Crystal NK): 14-17 BB Forms/Weapons
    ... See MoreSee Less

    View on Facebook

    *2 week trial is a one-time offer for new students only. Uniform purchase required.