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  • Profile picture of Dirk Herfurth

    Dirk Herfurth wrote a new post

    • 3 years, 10 months ago
    Week 28 - Dirk Herfurth

    Throwback Thursday – Part 3 The style of karate I was practicing in Germany was Shorin-ryu Shidokan. It was founded in 1948 by Katsuya Miyahira, who was a student of Chokki Motubo and Choshin Chibana. Chibana was o…

  • Profile picture of Dirk Herfurth

    Dirk Herfurth wrote a new post

    • 3 years, 10 months ago
    Week 27 - Dirk Herfurth

    Throwback Thursday – Part 2 After I finished my study in 2004 I had to move back to my parents. Job market for civil engineers in Germany was super bad at the time. Over the course of a year I wrote 300+ a…

  • Profile picture of Dirk Herfurth

    Dirk Herfurth wrote a new post

    • 3 years, 10 months ago
    Week 26 - Dirk Herfurth

    Throwback Thursday My karate journey started some 20 years ago at the beginning of the 2000s. At that time I was still studying Civil Engineering in Cottbus, Brandenburg Germany. My friend Gunnar asked me if I…

  • Profile picture of David Brezinski

    David Brezinski wrote a new post

    • 3 years, 10 months ago
    Week 25 - David Brezinski

    More miles on my journey… Had the opportunity to meet with some running friends in Portland to participate in the annual Hood to Coast 196 mile relay run. The relay starts at the base of Mt. Hood and winds its w…

  • Profile picture of David Brezinski

    David Brezinski wrote a new post

    • 3 years, 10 months ago
    Week 24 - David Brezinski

    Training in the alpine air! A few weeks ago, Dirk-san and I took a trip to my family cabin up at Huntington Lake. We departed from Sacramento after Thursday night sparring class, and arrived at the cabin after…

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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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