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Fenrir Jiu-Jitsu Academy

5 ★★★★★ 23 Google reviews · BJJ gym in Bay City, Michigan

BJJ gym Affiliated Beginners welcome Kids & teens No-gi

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

  • 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
  • Today see hours ·
  • Website & schedule fenrirjiujitsu.com — book classes and see the live schedule
  • Phone (989) 402-3176

Hours

Monday 5–9 PM
Tuesday 5:45–9 PM
Wednesday 5–9 PM
Thursday 5:45–9 PM
Friday Closed
Saturday 9:30 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 Fenrir Jiu-Jitsu Academy, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🧒 Kids BJJ 6 mentions

“Kids classes are 4-15 y/o, and my 4 year old sure has gotten along with the lessons just as well as the big kids.”

All gyms that run kids bjj →

🩳 No-Gi

“Dropped in today for a no Gi class and it was amazing.”

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🥋 Gi

“Dropped in today for a no Gi class and it was amazing.”

All gyms that run gi →

🛡️ Self-Defense 4 mentions

“I really enjoyed that one professor was trained for MMA and street defense while the other teacher was very attuned to the students individual needs.”

All gyms that run self-defense →

🌱 Beginners 2 mentions

“They break down techniques clearly, are patient with beginners, and push more advanced students to reach their potential.”

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 Fenrir Jiu-Jitsu Academy — mined from their reviews and the gym's own info.

🏟️ MMA 2 mentions

“I really enjoyed that one professor was trained for MMA and street defense while the other teacher was very attuned to the students individual needs.”

Other gyms that also teach mma →

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 23 Google reviews — in their own words.

🧑‍🏫 expert, high-level coaching 8 mentions

“Great instruction, welcoming people, clean facilities, and competitive pricing.”

🌱 welcoming to beginners 10 mentions

“I have been to every Brazilian Jiu-Jitsu gym in the tri-cities and this one is the most welcoming by far.”

🤝 no-ego, friendly academy 12 mentions

“I have been to every Brazilian Jiu-Jitsu gym in the tri-cities and this one is the most welcoming by far.”

📘 strong technique & fundamentals 3 mentions

“They break down techniques clearly, are patient with beginners, and push more advanced students to reach their potential.”

🧒 strong kids program 2 mentions

“The kids class professor is to notch and great with kids.”

🧼 clean, well-kept mats 5 mentions

“Great instruction, welcoming people, clean facilities, and competitive pricing.”

From the reviews

I’ve been to a handful of other training facilities, and I have to say Fenrir is my favorite. I do BJJ as a hobby and for physical activity. As an older female, I can feel uncomfortable in a mostly male dominated space, but I’ve felt at ease here. The coach is approachable and scaffolds the curriculum well.

★★★★★ — Regina, Apr 2025

I was invited to Fenrir Jiu Jitsu by the owner and my good friend Kyle, and I’m really glad I went. The atmosphere was welcoming, and the staff was not only skilled but also super down-to-earth.

★★★★★ — Roland, Jun 2025

Fantastic atmosphere. Highly skilled, friendly, and accomodating, professors. After ten years in the art I learned several new ideas and techniques in just my first class. The kids class professor is to notch and great with kids.

★★★★★ — Bruce, Jun 2025

Best place I have ever been to!! I am not really an athletic person but this place has helped me to feel comfortable and supported on my journey in learning jiu jitsu! All of the staff are extremely kind, supportive, and passionate about what they do. I would 100% recommend coming here to learn and train!

★★★★★ — Kiara, Jul 2025

Excerpts from public Google reviews. Read all 23 reviews →

New to BJJ? Start at Fenrir Jiu-Jitsu Academy

Fenrir Jiu-Jitsu Academy 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.

Check beginner classes on their site

Your first BJJ class at Fenrir Jiu-Jitsu Academy

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 Fenrir Jiu-Jitsu Academy

916 Washington Ave #100, Bay City, MI48708

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.