Learn How to Join the OneHeart Challenge
If our work speaks to you, learn how you can join us in the Challenge.
Much More than a Black-Belt Test
Join a team of like-minded karate students as we embark on a journey through the OneHeart Challenge, 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.
Join us in the spirit of Isshinryu, where for us, the journey to black-belt becomes a quest to bring our practice Out of the Dojo and Into the World.
It's About the Small Things
The OneHeart Challenge is a fine example of how small things, done consistently over time, add up to big things. Together, here is what we have accomplished so far!
8,084
Repetitions of Kata
7,198
Rounds of Sparing
389,682
Push-Ups
403,979
Sit-Ups
8,463
Miles Traveled
8,339
Acts of Kindness
35,534
Minutes of Meditation
39
Books Read
OneHeart Challenge Coaches
Meet our Challengers
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Recents Posts
OneHeart ChallengeBirthday SprawlsMy students helped me celebrate my birthday by doing 52 sprawls with me! I teach LesMills BodyCombat every Monday and Wednesday morning. This 55-minJuly 6, 2026
Stinson BeachYesterday Olivia and I went on a day trip to Stinson Beach! It was very fun considering this was the first time we had gone on a trip without any pareJuly 6, 2026
Four Hour DaysDuring the course of this test, I have unfortunately fallen behind on a good chunk of my numbers. My pushups and sit-ups have been pretty consistent aJuly 1, 2026
Month One Done!Today marks the start of the second month of my test! This past month I have really tried to stay on top of all my numbers and I have successfully dJuly 1, 2026
