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One World Jiu Jitsu

5 ★★★★★ 28 Google reviews · BJJ gym in Newark, California

BJJ gym Free trial Beginners welcome Kids & teens No-gi Competition team

Plan your first class

  • Free trial or intro class most gyms welcome new members with a free trial or intro class — check their site or give them a call to book your first session
  • Beginner-friendly all levels welcome, including total beginners — you don't need to be fit or have any experience to start
  • Kids & youth classes kids and youth BJJ classes — built around discipline, focus, and confidence
  • No-gi no-gi grappling classes — training in a rashguard and shorts, with faster scrambles and a natural bridge to MMA
  • Open mat open-mat rolling sessions for members to practice live — always optional and at your own pace
  • Competition team a competition team for members who want to test themselves at tournaments
  • Today see hours ·
  • Website & schedule oneworldjiujitsu.com — book classes and see the live schedule
  • Phone +1 510-279-8239

Hours

Monday 4:01 pm–12 am
Tuesday 4:01 pm–12 am
Wednesday 4:01 pm–12 am
Thursday 4:01 pm–12 am
Friday 4:01 pm–12 am
Saturday 4:01 pm–12 am
Sunday Open 24 hours

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

The classes they run

BJJ classes on the schedule at One World Jiu Jitsu, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

📘 Fundamentals 2 mentions

“Professor Mike is a down to earth instructor who is meticulously detail oriented on the fundamental techniques of Brazilian Jiu-Jitsu.”

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🧒 Kids BJJ 5 mentions

“One World Jiu Jitsu Academy offers an excellent program for both adults and kids.”

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🩳 No-Gi

“I also like the mixture of no-gi occasionally.”

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🏆 Competition Team 3 mentions

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🔓 Open Mat 4 mentions

“There is always ample time given to open mat training (45min-1 hour or more) at every class after some good instruction and drilling.”

All gyms that run open mat →

🌱 Beginners 2 mentions

“There is a wide array of skill level and experience always on the mat from brand new white belts to brown belts.”

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Other martial arts here

BJJ gyms are usually multi-discipline. Here's what else members mention training under the same roof at One World Jiu Jitsu — mined from their reviews and the gym's own info.

🦵 Kickboxing

“Crossfit, judo, kickboxing, jiu jitsu and most importantly great people and excellent instructors.”

Other gyms that also teach kickboxing →

🤼 Judo

“Crossfit, judo, kickboxing, jiu jitsu and most importantly great people and excellent instructors.”

Other gyms that also teach judo →

Disciplines are mined from reviews and the gym's own info — they show what members have trained, not a formal class guarantee. If you specifically want MMA, muay thai, or wrestling alongside your BJJ, confirm the current schedule with the gym.

What members say

The things reviewers bring up again and again across 28 Google reviews — in their own words.

🧑‍🏫 expert, high-level coaching 5 mentions

“Crossfit, judo, kickboxing, jiu jitsu and most importantly great people and excellent instructors.”

🤝 no-ego, friendly academy 14 mentions

“Professor Mike is a down to earth instructor who is meticulously detail oriented on the fundamental techniques of Brazilian Jiu-Jitsu.”

📘 strong technique & fundamentals 5 mentions

“Professor Mike is a down to earth instructor who is meticulously detail oriented on the fundamental techniques of Brazilian Jiu-Jitsu.”

active competition team 4 mentions

“He is very observant during practice drills and genuinely wants his students to progressively get better and do well in competition.”

💗 welcoming to women 2 mentions

“There are also plenty of women training on the mat for those females who feel a little weary about training with men right away.”

From the reviews

I found One World Jiu-jitsu through Yelp as I was researching for BJJ schools upon moving to Union City. After taking the free introductory courses, I was hooked! I've been training at this school for over 2 years now and I can't imagine myself training anywhere else.

★★★★★ — Ryan, Jul 2013

One World is an amazing place. The two black belts, Mike Prudencio and Fooki, are great professors. I admire their ability to teach, to convey concepts and principles that can be applied to a variety of situations. They exhibit a great sense of openness, allowing for a diversity of styles, and preferences.

★★★★★ — Joey, Jul 2018

My husband Mike and I walked into One World Jiu Jitsu Academy several years back and knew this is where he wanted to teach. At that point they were still finishing up the paint and hadn't even put in the mats yet. But we could already sense that this is where he belonged.

★★★★★ — Catie, Jul 2013

Well, I have trained at a few different gyms during my bjj career from San Diego to Stockton and Oneworld is one of the best. There is always ample time given to open mat training (45min-1 hour or more) at every class after some good instruction and drilling.

★★★★★ — Ernesto, Jul 2013

Excerpts from public Google reviews. Read all 28 reviews →

New to BJJ? Start at One World Jiu Jitsu

One World Jiu Jitsu comes up as a beginner-friendly gym, going by their listing and members’ reviews. If you've never rolled or set foot on a mat, that's exactly who a good beginners program is for. A few things worth knowing before your first week. First, you don't need to be fit or flexible to start — you get in shape by training, not before it, and coaches scale the intensity to you. Second, you won't be thrown into hard rolling — reputable gyms build fundamentals (positions, escapes, and basic submissions) for weeks, live rolling eases in gradually, and tapping early keeps every roll safe. Third, all levels really are welcome — ask about a dedicated beginners or fundamentals class time so your first session is alongside others who are also starting out, and leave your ego at the door. Most gyms are happy to let you watch or try a class first, so reach out before you commit.

See their beginner class info

Your first BJJ class at One World Jiu Jitsu

Nervous about walking into a BJJ gym for the first time? Almost everyone is, and good coaches expect beginners to come through the door. Here's what to know. What to expect: a typical first class is a warm-up, then drilling basic positions and escapes with a partner — not hard sparring. Rest whenever you need to; no one will bat an eye. What to wear: athletic wear you can move in (or a gi if you have one); you'll train barefoot on the mats. What to bring: water and a mouthguard if you have one — many gyms lend a loaner gi for a first class, so it's worth asking when you call. As you keep training you'll add your own gi (or a rashguard and shorts for no-gi) and a mouthguard. Live rolling eases in gradually, once your fundamentals are solid. Arrive 10–15 minutes early to sign a waiver and meet the coach. It gets easier fast — most people feel far more at home by their third class.

BJJ is a contact sport. Ease in, tap early and often, listen to your coaches, 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 One World Jiu Jitsu

37300 Cedar Blvd a, Newark, CA94560

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