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Busy Brazilian Jiu-Jitsu & Fitness (Busy BJJ)
4.9 ★★★★★ 36 Google reviews · BJJ gym in Centennial, Colorado
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.
Gym & training venue offering instruction in Brazilian jiu-jitsu, self defense & general fitness.
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
- Kids & youth classes kids and youth BJJ classes — built around discipline, focus, and confidence
- Competition team a competition team for members who want to test themselves at tournaments
- Today see hours ·
- Website & schedule busybjj.com — book classes and see the live schedule
- Phone +1 720-239-2879
Hours
| Monday | 11:30 am–1:30 pm, 4:15–8:30 pm |
| Tuesday | 6:30–7:30 am, 4:15–7:30 pm |
| Wednesday | 11:30 am–1:30 pm, 4:15–8:30 pm |
| Thursday | 6:30–7:30 am, 4:15–7:30 pm |
| Friday | 6:30–7:30 am, 12:30–1:30 pm, 4:15–7 pm |
| Saturday | 10–11:30 am |
| Sunday | Closed |
The classes they run
“The coaches are outstanding — they’re patient, knowledgeable, and know exactly how to connect with kids.”
“(I don’t compete, but there are people here that do.”
Other martial arts here
What members say
“Everyone is very friendly and welcoming and Professor Mario's curriculum is great to help step your game up, no matter your experience level.”
“Everyone is very friendly and welcoming and Professor Mario's curriculum is great to help step your game up, no matter your experience level.”
“Everyone is very friendly and welcoming and Professor Mario's curriculum is great to help step your game up, no matter your experience level.”
“I always thought my strength would get me by in a fight but Professors taught me that technique will win over strength the majority of the time.”
“If you’re looking for a supportive and professional environment where your kids can thrive, I can’t recommend Professor Mario and his team at Busy Bee enough!”
“This is a family friendly community-based academy that would be great for anyone, whether you just want to get in shape or want to develop serious competition-level jiu jitsu.”
From the reviews
Great place to train. My daughter and I were in town for a visit and stopped in to train. The atmosphere was great. Professor Mario Correa attention to detail was great and he went out of his way to make us feel like family. It was a great experience. Thanks to all.
Fantastic instruction, atmosphere and culture. My kid is developing immensely during his time here. The instruction is excellent whether you are new or advanced. Professor Mario “Busy” and the coaches are so welcoming and awesome!!
I’ve been training at Busy BJJ for a few months now, and everyone there has treated me like family since day one. I had no athletic, sports or martial arts experience when I started.
My son started training with Professor Mario "Busy" Correa and his awesome coaches a few months ago. He loves to train at Busy BJJ. Professor Busy, besides being a natural at teaching kids and adults, has developed a very structured class.
Your first BJJ class at Busy Brazilian Jiu-Jitsu & Fitness (Busy BJJ)
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.
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