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USKO Training

4.7 ★★★★★ 47 Google reviews · Kickboxing gym in Corona, California

Free trial Beginners welcome Kids & teens Cardio kickboxing

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
  • Beginner-friendly all fitness levels welcome, including total beginners — no experience needed, and you get in shape by training, not before
  • 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
  • Sparring sparring and partner work for members who want it — always optional, eased in gradually, with the coach controlling the contact
  • Today see hours ·
  • Website & schedule uskotraining.com — book classes and see the live schedule
  • Phone +1 951-734-8002

Hours

Monday 3:30–8 pm
Tuesday 3:30–8 pm
Wednesday 3:30–8 pm
Thursday 3:30–8 pm
Friday Closed
Saturday 9 am–12 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 USKO Training, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🧒 Kids Kickboxing 41 mentions

“Went to just check it out with my son who doesn’t like to leave me ever and everything was so great we signed up right away!”

All gyms that run kids kickboxing →

🦵 Muay Thai 12 mentions

“Been training juijitsu here for the last 6 years and Muay Thai for the last 4, absolutely changed my life for the better!”

All gyms that run muay thai →

Other martial arts here

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

🦵 Muay Thai 11 mentions

“Been training juijitsu here for the last 6 years and Muay Thai for the last 4, absolutely changed my life for the better!”

Other gyms that also teach muay thai →

🥋 Brazilian Jiu-Jitsu 3 mentions

“Coach/Kru Riley is extremely talented at teaching and conveying the BJJ and Muay Thai tactics to all ages.”

Other gyms that also teach brazilian jiu-jitsu →

🥋 Karate 5 mentions

“My son has been there for several months now taking Karate lessons from Sensei Clayton and so far it’s been great.”

Other gyms that also teach karate →

🛡️ Self-Defense 2 mentions

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 47 Google reviews — in their own words.

🧒 strong kids program 6 mentions

“I still have a high opinion of this place and my son still loves his karate class.”

🧠 builds confidence & relieves stress 7 mentions

“I was really out of my comfort zone when I first started, but everyone was so nice and willing to meet you were you were and help you that I felt really encouraged from day 1.”

🤝 friendly, family gym 6 mentions

“My son has been part of the USKO family for almost a year now and I have to say it’s the best thing we’ve done for him.”

From the reviews

Amazing place to train and the instructors are great with kids. I a little intimidsred by tghe classes but, I was determined to get in shape for summer and never looked back. This is their new location so the class size is great for personal attention while being begginer friendly.

★★★★★ — Michael, Jul 2017

My son had been asking to start karate for some time. He is 7 years old and taking classes since July. He has come so far in such a short amount of time. His sensei has been great.

★★★★★ — Jessica, Oct 2018

great place for the Kids , my son trains Muay Thai here and Man what a Game Changer , hes overall confidence has improved , opened up to people had a hard time making friends ,not no more, Very Disciplined doing better in school , im surprised how much hes learned and Picked up on it , Great Staff too Just like Family…

★★★★★ — Be, Oct 2018

My son takes Muay Thai and Jiu Jitsu. Great place. Awesome facilities. Very ery good with children. All the instructors are first class. We found our home!

★★★★★ — Jason, Nov 2018

Excerpts from public Google reviews. Read all 47 reviews →

New to kickboxing? Start at USKO Training

USKO Training comes up as a beginner-friendly gym — noted on their own site. If you've never thrown a punch or a kick, that's exactly who a good beginners class is for. A few things worth knowing before your first week. First, you don't need to be fit or coordinated to start — you get in shape by training, not before it, and coaches scale every drill to you. Second, you won't be thrown into hard sparring — reputable gyms build the basics (stance, footwork, and punches and kicks on pads and bags) first, and any contact eases in gradually under a coach's control. Third, all fitness 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. 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 kickboxing class at USKO Training

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 USKO Training

351 Corporate Terrace Cir, Corona, CA92879

Get directions Instagram

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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.