The K-1F Story

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      David Hemingway founded K-OneFitness in S.F in 1995. K-Onefitness was a premier Martial Arts training gym which taught Boxing, Muay Thai- Kickboxing, Brazilian Jiu-Jitsu and had a Kids Martial art as well, which taught a combination of boxing, kickboxing, judo and jiu-jitsu.

      The gym had a full array of personal training equiptment and a team of personal trainers.The gym had 2 training areas and a boxing ring. Hemingway was there on a daily basis teaching, training and living the blood, sweat and tears lifestyle the entire time and loving it. In December of 2018 after 25 years Hemingway sold K-OneFitness. Unfortunately the new owners of the gym closed down permanently in 2020.

       K-1F is a new company reboot with the same heart, spirit and vigor that the old dojo had, transferring that same energy and awesome training methods to the outdoors, at local SF Parks! Come check out a class and learn some amazing skill and get in sick shape!