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9Round Fitness in San Diego offers a unique, fast-paced fitness experience centered around kickboxing-themed workouts. These 30-minute sessions incorporate daily changing routines, ensuring a varied and engaging experience every visit. With highly motivational trainers and a no-class-time schedule, members can start their workouts at their convenience, making it ideal for busy individuals. The welcoming, inclusive atmosphere catires to all fitness levels, from beginners to seasoned athletes.


  • Daily-changing routines keep workouts interesting.
  • 30-minute sessions save time and fit easily into busy schedules.
  • No fixed class times; members can drop in anytime during business hours.
  • Trainers are encouraging and attentive, enhancing member motivation.
  • Caters to all fitness levels, welcoming both beginners and experienced athletes.
  • Environment is friendly and inclusive, reducing 'gymtimidation'.
  • Focus on kickboxing provides a fun, intense workout.
  • Different trainers available, offering various styles and encouragement.
  • Workouts are effective for physical conditioning and weight loss.
  • The gym emphasizes cleanliness and safety.


  • Closed on Sundays, limiting weekend availability.
  • Parking can be challenging due to the location.
  • One trainer reported as less engaging, which may affect some members' experiences.

Location / Contact

Rating Stats


out of 5.0

60 reviews
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Reviews (60)


Just join!! Love it my first time..Great work out..thought I couldn't do it but I did!!🥊always invest in yourself. …

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I worked out here while visiting my daughter. Taurian is absolutely fantastic and I would highly recommend this location. Loved it!


Great workout and trainers! Highly recommended!


This place is AMAZING!! I am so happy I joined. I was previously with a big box gym and went in everyday like a deer in headlights not knowing which machines to do when or how much and left feeling like I didn’t get the workout I should of. Plus they charge you to have any instructions from a trainer. I LOVE here at 9round how the trainers walk you through each round and what to do. They not only push you to finish but cheer you on as well! All the trainers I have met are WONDERFUL!! I leave every workout dripping in sweat, tired, with more confidence that I did it, I am getting to my goals and stronger with every round! Thank you 9Round!! 😊🥊 🐯


9round is a great workout! Love that there’s no class times, and the trainers are amazing! I’m a person who hates gyms in general, but decided to sign up over a year ago to try it out and I’m so glad I did. There’s people of all fitness levels, so no need to feel intimidated or like you won’t be challenged. Worth every penny!!Still enjoying my workouts, even in the scorching heat!


Lost 36lbs since coming here! Everyone's super nice and it's great for people self-concious about starting to work out. The community is fantastic! I come almost everyday after work and I just wish they were open on Sundays so I could come everyday of the week. I truly can't pick a favorite trainer among the roster of amazing people; Fred, Courtney, Johnny, Taurian, Sarah, Alex-- everyone is impeccable and welcoming. You will certainly meet your fitness goals coming here!


UPDATE: one year later: Sara, Courtney, Fred, Jonny, Addie, Lauren, Laura, Taurian, Leah and Jenna are all the BEST!! I always leave having had a great workout and a great time with these trainers!I've been a member for about 3 years now and this the best workout not only for my fitness but it's also just really fun. All the trainers are excellent with their knowledge as well as great motivators. If you haven't tried this workout I highly recommend it !


Shout out to this gym. Thank you always for the motivation and encouragement. I enjoy the changing workouts and learning from the trainers.


When I joined 9 Round I wasn’t sure what to expect, but 4 years later and I couldn’t ask for a better gym. The workouts are tough, but they are fun as well. It’s a friendly and welcoming environment, with positive and motivating trainers to help you push yourself in the best way.Fred is one of the best trainers there, and has helped me so much during my time as a member at the gym. His positive attitude always helps grind out those last couple burpees!9Round has helped me grow physically and mentally, and I can’t recommend it enough to anyone looking for a fun workout and a new challenge.


Awesome trainers! The location is easy to find and right off the freeway. The trainers are motivating throughout the whole workout and very friendly. I love the easiness of just showing up and doing a quick hard workout for the day. I always leave like I worked out for two hours and it was a quick 30min!

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Frequently Asked Questions

Except the peak hours, this place remains quite free or moderately crowded.

This business has a rating of 5.0-star.

This business has 60 reviews.

The address is: 4411 Mercury St #105A, San Diego, CA 92111, United States .

The contact number is +1 858-430-6414

This service is listed under Gym .

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