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N-Flux

5 ★★★★★ 83 Google reviews · BJJ gym in Washington, District of Columbia

BJJ gym Beginners welcome No-gi Competition team

Plan your first class

  • Beginner-friendly all levels welcome, including total beginners — you don't need to be fit or have any experience to start
  • No-gi no-gi grappling classes — training in a rashguard and shorts, with faster scrambles and a natural bridge to MMA
  • Competition team a competition team for members who want to test themselves at tournaments
  • Today see hours ·
  • Website & schedule staynflux.com — book classes and see the live schedule

Hours

Monday 7 am–8 pm
Tuesday 7 am–8 pm
Wednesday 7 am–8 pm
Thursday 7 am–8 pm
Friday 7 am–7 pm
Saturday 9 am–12 pm
Sunday Closed

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 N-Flux, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

📘 Fundamentals 2 mentions

All gyms that run fundamentals →

🛡️ Self-Defense 23 mentions

“I took the Guerrera Self Defense Intensive workshop in July, and I HIGHLY recommend it for those who want to get a basic understanding of multiple self-defense concepts.”

All gyms that run self-defense →

🌱 Beginners 10 mentions

“Even when I was brand new, I always felt welcome in the space and it was really nice to have that since I was relatively new to DC when I started taking classes.”

All gyms that run beginners →

Other martial arts here

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

🥊 Boxing

“I would also strongly recommend the other classes offered by the studio - boxing, kickboxing, grappling (ground fighting), sparring, and urban ninja (strength/conditioning).”

Other gyms that also teach boxing →

🦵 Kickboxing 3 mentions

“I would also strongly recommend the other classes offered by the studio - boxing, kickboxing, grappling (ground fighting), sparring, and urban ninja (strength/conditioning).”

Other gyms that also teach kickboxing →

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 83 Google reviews — in their own words.

🧑‍🏫 expert, high-level coaching 4 mentions

“Chris and Colleen are excellent instructors who have created a space that is inclusive and encouraging while simultaneously placing great focus on technique and safety.”

🌱 welcoming to beginners 16 mentions

“Even when I was brand new, I always felt welcome in the space and it was really nice to have that since I was relatively new to DC when I started taking classes.”

🤝 no-ego, friendly academy 20 mentions

“Students are friendly and offer each other helpful feedback, and often more experienced students partner with newer students to offer advice and tips on technique.”

📘 strong technique & fundamentals 9 mentions

“Chris and Colleen are excellent instructors who have created a space that is inclusive and encouraging while simultaneously placing great focus on technique and safety.”

great workout & conditioning 11 mentions

“I would also strongly recommend the other classes offered by the studio - boxing, kickboxing, grappling (ground fighting), sparring, and urban ninja (strength/conditioning).”

💵 good value / fair pricing 3 mentions

“Be prepared to work hard, the payoff is well worth it!”

From the reviews

There is no way that a review can convey how excellent N-flux is but I will give it my best try. I have been training at N-flux for almost 7 months now, and my classes there have quickly become one of my favorite parts of my week. The training curriculum is excellent, and holistic in approach.

★★★★★ — Gabriela, May 2019

I have been at N-Flux for almost 9 months (amid a pandemic also) and I have to say this gym is amazing. I am very particular about environment and atmosphere of a gym and this place has a great one. Everyone is so welcoming and friendly who all want to work hard.

★★★★★ — Corey, Dec 2020

I took Colleen’s Women’s and Femme’s Self Defense Intensive and loved it. First, Colleen is an amazing person and I want to be her best friend. Second, the self-defense weekend was incredible and I truly think I’m better for it. Colleen has designed the curriculum with both practicality and thoughtfulness in mind.

★★★★★ — Katherine, Mar 2024

I've been going to N-Flux for a couple of months now and cannot recommend it highly enough. It only took one class for me to know that I'd found someplace great to learn.

★★★★★ — Megan, May 2019

Excerpts from public Google reviews. Read all 83 reviews →

New to BJJ? Start at N-Flux

N-Flux comes up as a beginner-friendly gym — noted on their own site. 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.

Check beginner classes on their site

Your first BJJ class at N-Flux

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. 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 N-Flux

1722 I St NW, Washington, DC20006

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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.