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Aguirre's Fighting System

4.9 ★★★★★ 43 Google reviews · Kickboxing gym in Fontana, California

Kickboxing gym Free trial Kids & teens Cardio kickboxing Private lessons Competition team

Fitness center with classes such as kickboxing, Brazilian jiu-jitsu and wrestling for kids and adults.

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
  • Cardio kickboxing classes high-energy cardio kickboxing on the bags and pads — a fun, sweaty workout built for fitness and weight loss, at your own pace
  • Kids & teen classes kids and teen kickboxing classes — built around confidence, focus, and fun
  • Private lessons one-on-one coaching available — a focused way to start or to work around a busy schedule; ask about availability and rates
  • Competition team a competition team for members who want to test themselves in the ring — amateur kickboxing, muay thai, or K-1
  • Today see hours ·
  • Website & schedule aguirresfightingsystem.com — book classes and see the live schedule
  • Phone +1 909-684-5157

Hours

Monday 7 am–9 pm
Tuesday 7 am–9 pm
Wednesday 7 am–8 pm
Thursday 7 am–9 pm
Friday 7 am–8 pm
Saturday 9 am–2 pm
Sunday Closed

Hours shift for holidays and class-schedule changes — worth a quick check before a special trip.

The classes they run

Kickboxing classes on the schedule at Aguirre's Fighting System, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🔥 Cardio Kickboxing 3 mentions

“I trained here in highschool for their kickboxing classes and I absolutely loved it !”

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🧒 Kids Kickboxing 8 mentions

“This works out perfect for yourself and even more so for your kids.”

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🏆 Competition Team 3 mentions

“Best gym in the whole IE Son been training for 6 months competed in 2 competitions and brought home championship belt and 2 medals!”

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🥊 Boxing

“They have olympic mats to grapple and train Jiu Jitsu, a full size boxing ring, every piece of weights equipment, and cardio equipment.”

All gyms that run boxing →

👤 Private Lessons

“Meaning not only do they teach them as a group BUT also give them one on one attention.”

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Other martial arts here

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

🥊 Boxing

“They have olympic mats to grapple and train Jiu Jitsu, a full size boxing ring, every piece of weights equipment, and cardio equipment.”

Other gyms that also teach boxing →

🏟️ MMA 2 mentions

“Great gym to go train MMA and get in shape.”

Other gyms that also teach mma →

🥋 Brazilian Jiu-Jitsu 7 mentions

“They have olympic mats to grapple and train Jiu Jitsu, a full size boxing ring, every piece of weights equipment, and cardio equipment.”

Other gyms that also teach brazilian jiu-jitsu →

🛡️ Self-Defense 2 mentions

“Everyone treated me with so much respect and kindness, and I learned so much on self defense plus enjoyed a great workout before training.”

Other gyms that also teach self-defense →

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 muay thai, boxing, or MMA alongside your kickboxing, confirm the current schedule with the gym.

What members say

The things reviewers bring up again and again across 43 Google reviews — in their own words.

🧑‍🏫 expert, motivating coaching 4 mentions

“At first the place looked intimidating, especially when I saw the pro fighters train, but once I started training, making friends and learning moves, I became addicted.”

🎉 fun, high-energy classes 2 mentions

“Everyone treated me with so much respect and kindness, and I learned so much on self defense plus enjoyed a great workout before training.”

💦 killer cardio workout 2 mentions

“Everyone treated me with so much respect and kindness, and I learned so much on self defense plus enjoyed a great workout before training.”

🧒 strong kids program 4 mentions

“Coaches are also great with kids, my son loves it.”

🏆 active competition / fight team 7 mentions

“At first the place looked intimidating, especially when I saw the pro fighters train, but once I started training, making friends and learning moves, I became addicted.”

🧠 builds confidence & relieves stress 4 mentions

“They are very detailed oriented coaches that bring the Very Best out of you and really brings you big boost of confidence in your life day by day and That Is Priceless.”

From the reviews

Best gym in Cali! 8 months in my son had won every competition! The gym boost my son confidence level! They treat you like family here! Classes for adults and kids! Get 1 week free trial! Tell them Roman sent you (Referral put Roman)

★★★★★ — Yanith, May 2025

Our family couldn’t be happier with this gym. To start off they give you a free week to train with the classes. This works out perfect for yourself and even more so for your kids. You can find out if this is something your kiddos enjoy and want to learn.

★★★★★ — Tj, Jun 2023

I have gone here for almost 4 years. It is a great workout and the community here is awesome. Everyone is friends and get together so well. The coaches teach so well and help you out if you need anything. They have many classes that usually fit to most schedules.

★★★★★ — Justin, May 2016

Franklin is the best trainer in the I.E. hands down. I've been training with him for a while and he seems to know what you're going to do before you do it. He is very friendly and professional. He assesses your skills and trains you to progress to the next level for whatever level you're at.

★★★★★ — Enrico, Jul 2013

Excerpts from public Google reviews. Read all 43 reviews →

Your first kickboxing class at Aguirre's Fighting System

Nervous about walking into a kickboxing 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 the basics — stance, footwork, and punches and kicks on pads or a heavy bag — not hard sparring. Go at your own pace and rest whenever you need to; no one will bat an eye. What to wear: comfortable athletic clothes you can move and sweat in, and supportive trainers. What to bring: water, and hand wraps and gloves if you have them — many gyms lend loaner gloves for a first class, so it's worth asking when you call. As you keep training you'll add your own gloves and wraps (and shin guards once you start sparring). Sparring is optional and eases in gradually, once your basics 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.

Kickboxing is a contact sport. Warm up, pace yourself, 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 Aguirre's Fighting System

7898 Cherry Ave Ste B, Fontana, CA92336

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.