One Dojo is a welcoming, Zen-inspired Boulder martial arts fitness center focused on peace, personal growth, and non-competitive training.

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We offer a variety of traditional Eastern mind-body practices, including Aikido, Yoga, Tai Chi, Iaido (Japanese swordsmanship), Taiko drumming, NIA dance fitness, Japanese Jiujitsu, Japanese Sword & Jujitsu, as well as Okinawan Karate.

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Our approach emphasizes building inner calmness, physical wellbeing, spiritual discipline, and a deep sense of harmony with nature and oneself.  In a safe, supportive environment, students of all ages learn from passionate, experienced instructors.

Through dedicated practice, you cultivate self-confidence, inner strength, and true mastery—not by competing against others, but by refining your own spirit and becoming the best version of yourself.