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  • Profile picture of Dirk Herfurth

    Dirk Herfurth wrote a new post

    • 3 years, 5 months ago
    Week 39 - Dirk Herfurth

    After spending the night in Santa Cruz my German visitors, my son and I drove to Monterey to have a visit of the Bay Aquarium. I already got my katas as well as push/ sit ups in on the hotel room floor before the…

  • Profile picture of David Brezinski

    David Brezinski wrote a new post

    • 3 years, 5 months ago
    Week 40 – David Brezinski

    11th California International Marathon in the books. A little over a week after I had pulled up with my hamstring issue during the annual Thanksgiving Run to Feed the Hungry, I decided I’d give the CIM a try w…

  • Profile picture of Dirk Herfurth

    Dirk Herfurth wrote a new post

    • 3 years, 5 months ago
    Week 38 - Dirk Herfurth

    This last weekend we went to Santa Cruz and later on to Monterey. Both René and Nick are vivid kite surfers and wanted to get a peek at the Californian surfer scene. What better place than Santa Cruz? So, in the…

  • Profile picture of Dirk Herfurth

    Dirk Herfurth wrote a new post

    • 3 years, 5 months ago
    Week 37 - Dirk Herfurth

    Family time! My sister Anke is in town from Germany with Lynda, my niece, my sister’s boyfriend René and his son Nick. Full house! I will take some time of work to show them all around California. We went to the us…

  • Profile picture of Dirk Herfurth

    Dirk Herfurth wrote a new post

    • 3 years, 5 months ago
    Week 36 - Dirk Herfurth

    My friend and practice partner David san posted recently about our Sunday coffee ritual. Same as for him I enjoy this quiet time with discussions and good hot brew. I already talked about the positive impacts of…

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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

  • 2nd Semester Finals June 7, 2026
  • Black Belt Week One June 7, 2026
  • The Journey Begins June 6, 2026
  • New Black Belt Candidates June 3, 2026
  • Seeking Out A Master May 25, 2026
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