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John's Judo Jamboree

4.8 ★★★★★ 4 Google reviews · Judo dojo in Grain Valley, Missouri

Judo dojo

Plan your first class

Hours

Monday 12 AM–11:30 PM
Tuesday 12 AM–11:30 PM
Wednesday 12 AM–11:30 PM
Thursday 12 AM–11:30 PM
Friday 12 AM–11:30 PM
Saturday 12 AM–11:30 PM
Sunday 12 AM–11:30 PM

Hours shift for holidays, seminars, and open-mat times — worth a quick check before a special trip.

From the reviews

The classes were excellent, however I've taken a star away due to the fact that the instructor gave me 6 pieces of quesadilla and he had 8.

★★★★☆ — Mitchell, Feb 2021

Excerpts from public Google reviews. Read all 4 reviews →

Your first judo class at John's Judo Jamboree

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 when you call. 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 John's Judo Jamboree

1103 NW Cottonwood Ct, Grain Valley, MO64029

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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 Something out of date?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.