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  • All Members 19
  • Profile picture of Dirk Herfurth

    Dirk Herfurth wrote a new post

    • 4 years, 1 month ago
    Week 19 - Dirk Herfurth

    It finally happened! I crashed with my bike on the way home from the dojo. Over six month I made it through the black belt test without any major injury, besides some minor bruises and pulled muscles. Nothing that…

  • Profile picture of Dirk Herfurth

    Dirk Herfurth wrote a new post

    • 4 years, 1 month ago
    Week 18 - Dirk Herfurth

    I am working now since a few days in the new office, and I have to say I really like it. It is totally different from my last two years sitting at my office table in my flat, spending most of my time on video calls…

  • Profile picture of David Brezinski

    David Brezinski wrote a new post

    • 4 years, 1 month ago
    Week 19 - David Brezinski

    Pushing through physical and mental fatigue. It can be a real struggle at times! A culmination of work, karate training, family, life in general like heinous shootings where children and innocent adults are killed.…

  • Profile picture of David Brezinski

    David Brezinski wrote a new post

    • 4 years, 2 months ago
    Week 18 – David Brezinski

    Sometimes your mind can be your worst enemy! A week ago, I had the opportunity to share part of my life story, the challenges and opportunities, with a non-profit (Boldly Me) that a work colleague of mine roped me…

  • Profile picture of David Brezinski

    David Brezinski wrote a new post

    • 4 years, 2 months ago
    Week 17 - David Brezinski

    Thank you to Mom’s, everywhere! We wouldn’t be here without you!! Had an enjoyable day with my wife and mother-in-law. We went to lunch and then walked around McKinley park and the rose garden. We too stopped int…

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OneHeart Challenge

The OneHeart Challenge is a year-long quest rooted in the principles of of Isshinryu Karate–the ‘One-Heart Way.’ While some will use the challenge as part of their next rank promotion, it is so much more than a black-belt test. This challenge embodies the harmonious fusion of mind, body, and spirit.

Latest Posts

  • Isshinryu Hall of Fame July 18, 2026
  • Extreme Catchup July 17, 2026
  • College Tour July 13, 2026
  • Back Again July 8, 2026
  • East Coast July 8, 2026
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