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Kodokan Boston

Judo dojo in Waltham, Massachusetts

Part of Kodokan

Judo dojo Affiliated

Affiliated dojo — reviews and the dojo's own info point to a recognized judo governing body or lineage (think USA Judo, USJA, USJF, Kodokan or Tenri). If affiliation matters to you, ask which body the dojo belongs to and under whom the head sensei earned their black belt.

Plan your first class

The classes they run

Judo classes on the schedule at Kodokan Boston, confirmed in members' own reviews and the dojo's own info — not guessed from the sign out front.

Your first judo class at Kodokan Boston

Nervous about walking into a judo dojo for the first time? Almost everyone is, and good sensei expect beginners to come through the door. Here's what to know. What to expect: a typical first class is a warm-up, learning to fall safely (ukemi), then drilling a throw or two and some groundwork with a partner — not hard randori. Rest whenever you need to; no one will bat an eye. What to wear: athletic wear you can move in (or a judogi if you have one); you'll train barefoot on the mats. What to bring: water and a mouthguard if you have one — many dojos lend a loaner judogi for a first class, so it's worth asking. As you keep training you'll add your own judogi. Live randori eases in gradually, once your fundamentals are solid. Arrive 10–15 minutes early to sign a waiver and meet the sensei. It gets easier fast — most people feel far more at home by their third class.

Judo is a contact sport. Ease in, tap early and often, listen to your sensei, and if you have any injuries or health concerns, mention them before class and check with a doctor if you're unsure.

Where to find Kodokan Boston

238 Calvary St, Waltham, MA02453

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Listing verified July 2026 from public business records and member reviews. Something out of date? Report a correction. Own this dojo? Claim your listing — it's free.