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  • *Under 18 must be accompanied by parent or legal guardian.

  • *Under 18 must be accompanied by parent or legal guardian.


29851 Aventura, Ste J
Rancho Santa Margarita, California 92688


  • It’s an Awesome full body workout in 30 minutes. No class times. You get there, start and you’re out. The trainers are great, facility is clean and the members are nice.
    - January 18, 2019 by Wendy Thompson
  • The coaches for sure! No class times, diversity of workouts. It's surprisingly FUN!
    - January 18, 2019 by N.B.
  • learning a lot about kickboxing/quick workout
    - January 16, 2019 by M.S.
  • The workout; All it takes is 30 minutes. The trainers; high energy and encouraging. RESULTS.
    - January 12, 2019 by Lisa Meyer
  • I love the no class times, 30 min workout, go at your own pace while trainers push you to strive harder.
    - January 12, 2019 by K.A.
  • The trainers are great and you get a great, intense workout in just 30 minutes
    - January 11, 2019 by Jessica Fehrenbach
  • I love that I compete against myself to get better every time I go in. The trainers know how to push to take workouts to the next level!
    - January 11, 2019 by Lisa Roberts
  • 9Round is outstanding..... it really is the best place to get fit- you will love the way it makes you feel after every workout!!! -Jen
    - January 10, 2019 by J.C.
  • No class times!
    - January 10, 2019 by Jenny Loya
  • The energy, time it takes and the trainers coaching you
    - January 10, 2019 by B.K.
  • It’s fun and always different. No matter your fitness level you feel comfortable! The instructors are always kind and make sure you get a great work out. I always feel motivated and happy that I came, great environment!
    - January 09, 2019 by Gabrielle Krawczyk
  • It's a different challenge every day, kicks my butt in a good way!
    - January 09, 2019 by H.J.
  • I love that it's a full body workout in only 30 minutes! Trainers Matt and Montana are very encouraging and motivating! They push me to work hard, but in a really positive way :)
    - January 04, 2019 by R.J.
  • Intensity of workout but not overbearing trainers. Positive enthusiasm by trainers. Intensity of other participants. Equipment clean and in good condition. Variety of exercises.
    - December 31, 2018 by T.N.
  • Convenient, flexible, and great workout in 30 min. Don't care how good a shape you think you are you still get challenged. It's also perfect for those just starting to get in shape. The staff is great, pushing you to your best.
    - December 31, 2018 by Richard Montiel
  • Friendly staff, clean gym and I love how the trainers push you just the right amount and will routinely gauge your workout and adjust the intensity or exercise to suit your needs. Great improvement overall on gym atmosphere with the new owner.
    - December 21, 2018 by M.P.
  • One on one personalized training. Very clean and the equipment is top notch. They really care if you attend. It’s more like an extended Family
    - December 21, 2018 by Scott Mccanles
  • It’s friendly & fun!
    - December 16, 2018 by J.T.
  • You can come whenever you want. Great trainers who care
    - December 16, 2018 by M.P.
  • The daily change in routine
    - December 13, 2018 by J.S.
  • I like the trainers, the no scheduled class model and the modification to fit my personal physical needs while still providing a great workout.
    - December 10, 2018 by C.R.
  • It has a family feeling. All trainers are very encouraging and you always have a personal trainer keeping an eye on you even if they are just working with someone else, correcting, so you do exercises correct and don't hurt yourself.
    - December 06, 2018 by Monika Grant
  • I like that there is no class schedule. I can come by at anytime and get my work out. I like that I get to have trainers through out my work out, not only correcting my every move, but also pushing to go further as well as motivating me.
    - December 01, 2018 by Mark Bates
  • The trainers and that it’s only 30 minutes
    - November 29, 2018 by B.J.D.
  • Love the RSM center. Staff make you work hard while having fun at the same time. I dropped my other memberships and sports, and sticking to 9Round RSM.
    - November 28, 2018 by Sonja Montiel
  • Good intensity Love the no class times format In and out in 35-40 minutes, love it!
    - November 25, 2018 by Gary Rosenberger
  • Only 30 minutes and you’re done. The trainers are so helpful and nice.
    - November 24, 2018 by S.M.
  • The Trainers really are great. They encourage you to do better. I look forward to getting my workout started everytime.
    - November 21, 2018 by Lupe Brady
  • I love the way Ramein, Montana and my other trainers have helped me with my specific needs. They always encourage me, push me but never make me feel bad if I cant yet do something.
    - November 19, 2018 by S.G.
  • That it makes me want to come back.
    - November 11, 2018 by J.C.
  • I like the trainers and the intensity of the workouts.
    - November 10, 2018 by Allison Straus
  • It’s intense work out in 30 minutes but you can stay longer & do more if you want
    - November 10, 2018 by Stacey Wartenberg
  • I love how the trainers push me to do better and always having positive mental attitude.
    - November 07, 2018 by J.S.
  • Love it here! Great coaches and very motivating.
    - October 24, 2018 by N.D.
  • It’s an Awesome full body work out. All in 30 minutes and it’s different every day.
    - October 18, 2018 by Wendy Thompson
  • The trainers at my gym make working out fun. They are so motivating, and are able to push my limits without overstepping any boundaries. They know me personally and know my needs and are able to cater my workout to them, making it enjoyable and beneficial for me and them!
    - October 17, 2018 by Sarah Cabug
  • The core reasons are the workouts and staff.
    - October 12, 2018 by R.F.
  • You can feel the whole body workout that you get every time you go. And being able to go any time you want without set class times.
    - October 04, 2018 by A.C.
  • I like that it's a complete, full body workout in only 30 minutes! I also like that the activities change daily so it's a little bit different each time I go.
    - October 04, 2018 by R.J.
  • Each experience is a bit different. Always surprised by how much I still need to improve, as we work out areas not usually conditioned. Coaches are great and make sure you do your best. It's like having a personal coach at a really reasonable rate.
    - September 26, 2018 by Richard Montiel
  • I love that I can go in any time of the day and have an awesome workout. Each day is a different routine, targeting different muscle groups. The trainers are the best- able to encourage, explain, and suggest modifications or challenges. I feel stronger, physically and mentally, after a session!
    - September 24, 2018 by Lisa Roberts
  • I feel like I get a great work out in during the 30 minutes ... focusing on strength and cardio!
    - September 22, 2018 by L.G.
  • No need for scheduling, the trainers, exercise variety, and the post-workout summaries.
    - September 22, 2018 by T.B.
  • I love this approach to working out.
    - September 21, 2018 by D.A.
  • I have recommended 9round RSM to many people. I hope to see my friends and family there soon.
    - September 18, 2018 by M.F.
  • The convienence of starting my workout any time I choose. Also, the one on one attention I receive from the trainers.
    - September 16, 2018 by Scott Mccanles
  • The thing I like the best is that it’s like having a personal trainer. They are always there to make sure you are doing everything correctly.
    - September 14, 2018 by C.H.
  • Friendly and motivating staff. Ramin, Jordan, and Montana are just great at working with you on your goals, and respect everybody's ability, adjusting to what works for each individual. They show you how to do each exercise correctly, make sure you do not injure yourself, and challenge you. I would highly recommend the RSM location to all my friends that would like to get fit and have fun while they are doing it.
    - September 08, 2018 by Monika Grant
  • The trainers push you and help you get the most of the workout.
    - September 06, 2018 by J.B.
  • It is a great complete body workout in a short time!
    - September 06, 2018 by Steve Lowe

About the team

  • 9Round trainer
    Ramin K
    Ramin is the owner of 9Round RSM; his favorite part of the 9Round workout is every round! He loves helping members get lean, fit and strong through super intense, and super fun, trainer-led pad sessions. Come by, say hi, and get a great workout!
  • 9Round trainer
    Christina "Fireball" P
    Christina's passion for fitness began when she took her first dance class at the age of four. Growing up with two brothers, she enrolled in Kenpo Karate and earned her First Degree Black Belt at the age of 13, never losing her passion for karate, sparring or being a fighter! Her dance career continued with many competitions through middle and high school, and she later earned her Bachelors of Fine Arts degree in Dance Theater. She has danced professionally in many Broadway productions and award shows. Fitness and nutrition are what keep this "Fireball" going! With her personality and drive, she will help you reach your fitness goals with a smile on your face!
  • 9Round trainer
    Montana W
    There are so many things we love about Montana. He's super nice, patient, energetic, enthusiastic, a skilled fighter with great form, awesome with the pads, and just an all-around great trainer. Come by, say hi, and throw some punches with him!
  • 9Round trainer
    Matt "El Lechuga" R
    Matt is a fighter, with a seemingly endless supply of energy! From the moment you step on the floor, until the moment you're done, he'll push you to your limits. Matt's intensity stems from his background in Muay Thai, boxing and wrestling, along with his deep care for every person that walks through the door, looking to ensure that every individual will meet their fitness goals. Come by, say hi and let him give you a killer workout!