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Gracie Underground Brazilian Jiu Jitsu And Self Defense

4.7 ★★★★★ 13 Google reviews · BJJ gym in Carpentersville, Illinois

BJJ gym Affiliated Kids & teens

Affiliated academy — reviews and the gym's own info point to a recognized BJJ lineage or affiliation (think Gracie Barra, 10th Planet, Renzo Gracie, Alliance, Atos or Checkmat). If lineage matters to you, ask which affiliation the academy belongs to and under whom the head instructor earned their black belt.

Plan your first class

  • Kids & youth classes kids and youth BJJ classes — built around discipline, focus, and confidence
  • Today see hours ·
  • Website & schedule gracieunderground.yolasite.com — book classes and see the live schedule
  • Phone (847) 340-3723

Hours

Monday 8–11:30 PM
Tuesday 8–11:30 PM
Wednesday 8–11:30 PM
Thursday 8–11:30 PM
Friday 8–11:30 PM
Saturday 8–11:30 PM
Sunday 8–11:30 PM

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 Gracie Underground Brazilian Jiu Jitsu And Self Defense, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🛡️ Self-Defense

All gyms that run self-defense →

What members say

The things reviewers bring up again and again across 13 Google reviews — in their own words.

🧑‍🏫 expert, high-level coaching 2 mentions

“The instructor is extremely knowledgeable and has a god-given gift for teaching.”

🎖️ legit lineage & affiliation 5 mentions

“Had a great experience learning step by step Gracie Ju Jitsu.”

🧠 builds confidence & discipline 4 mentions

“I get to come in and train almost every day, I love it cause it taught me self-control, and discipline, and has boosted my self-esteem.”

From the reviews

I've been training martial arts for over 40 years. I hold several instructor rankings and I'm still humbled when I come to this class. The instructor is extremely knowledgeable and has a god-given gift for teaching. I enjoy this class so much that I bring my two children with me.

★★★★★ — Fernan, Feb 2025

I absolutely love Jiu-jitsu! I'm learning the art and am surrounded by great people!

★★★★★ — Holly, Jul 2022

Blaze is great instructor and and really laid back guy also very knowledgeable if you want to learn something you saw online he teach it to you or tell you it is bs it’s definitely worth at least trying since it’s free I’ve been going for only a little but he’s been awesome since I’ve been going all the people that go…

★★★★★ — Jaime, Feb 2026

This has been a great experience working with Blaise (teacher/black belt) and the students within the class. They have welcomed me with open arms and I sure have learned a lot in the past two months! I highly recommend checking out this club to expand on your Jiu Jitsu journey!!!

★★★★★ — Sabian, Jul 2022

Excerpts from public Google reviews. Read all 13 reviews →

Your first BJJ class at Gracie Underground Brazilian Jiu Jitsu And Self Defense

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 Gracie Underground Brazilian Jiu Jitsu And Self Defense

150 S Kennedy Dr, Carpentersville, IL60110

Get directions

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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.