9Round Fitness

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9Round Fitness Get stronger with the most effective 30-min workout. No class times, no limits. Try a free workout! 9Round is a fitness studio in St.

Peters offering the most effective 30-minute circuit training workout designed for all fitness levels. Get stronger, physically and mentally, with our trainer-led sessions that combine strength training, functional fitness, and high-intensity interval training (HIIT) with real kickboxing techniques to deliver serious results. With no class times, you can drop in on your schedule and get the benefits of fitness classes without the wait. Burn up to 500 calories, boost endurance, and track your progress with our heart rate training system. Your first workout is FREE—join us at the gym and experience the 9Round difference!

Our neighbors are giving 10% off your nail service, last day to get that! You can also get a B12 shot until Halloween a...
10/23/2026

Our neighbors are giving 10% off your nail service, last day to get that!

You can also get a B12 shot until Halloween and we have a few 15% off coupons left for the Ramen restaurant!

Want a tattoo? Come on up. $50
10/21/2026

Want a tattoo? Come on up. $50

10/20/2026

January doesn't have to be your starting line. Start building the habit now, so when the new year arrives, you're already moving, already stronger, and already in your routine. Why wait? 🥊 Come try 9Round St. Peters now.

Just a glimpse of a few vendors that will be there weds with giveaway baskets, samples, and discounts!!
10/18/2026

Just a glimpse of a few vendors that will be there weds with giveaway baskets, samples, and discounts!!

10/11/2026

Ben Mizera Happy Birthday!

Which one of 9Round's signature colors speaks to you? ❤️🖤🩶
10/09/2026

Which one of 9Round's signature colors speaks to you? ❤️🖤🩶

It’s Paige Renee Peppler, Maggie and Dave’s Birthday today!
10/08/2026

It’s Paige Renee Peppler, Maggie and Dave’s Birthday today!

10/08/2026

Ready to fire up your core? 🔥 Here are 3 ways to work your core with a med ball. Try them at home or use them to level up your 9Round workouts and keep challenging yourself as you progress!

It’s Mrs bubbles (Sherry’s) Bday and Even made it into the gym! Everybody please wish her a Happy Birthday 🎊🎉🎁🎂
10/07/2026

It’s Mrs bubbles (Sherry’s) Bday and Even made it into the gym! Everybody please wish her a Happy Birthday 🎊🎉🎁🎂

10/07/2026

Sometimes you just need a little push. 😉🥊 Good thing that’s what we’re here for. Come get your 30-minute workout in with a trainer who’s ready to keep you moving, motivated, and accountable.

10/06/2026

9Round St. Peters does it all in just 30 minutes. 💪 Sign up at the link in our bio to try the most efficient workout you'll ever do.

10/06/2026

Take care of your body. Clear your mind. Make 30 minutes for yourself with 9Round. 🥊

10/05/2026

New hand wraps crawling to a studio near you! 👻 Shop these fun fall colors at your local gym or online at Shop9Round.com.

🖤 Haunted Pumpkin Hand Wraps
🧡 Orange Hand Wraps
🤎 Mocha Hand Wraps

10/04/2026

Your living room just became a 9Round studio. 🥊 Get a taste of our workouts from home with free 30-minute workouts on YouTube. Hit play, get moving, and when you’re ready for the full 9Round experience, we’ll see you in the studio!

Stephanie Fromme. Have the BEST day! You share a Birthday with my mom 🥰
10/04/2026

Stephanie Fromme. Have the BEST day! You share a Birthday with my mom 🥰

10/03/2026

Just a little multitasking moment ✨ anyway...who's ready to try 9Round with a free workout?

10/02/2026

Fighter names are a core part of the 9Round experience. More than just a nickname, your fighter name is a reminder your strength—both physically and mentally. Our CEO, Heather “The Hero,” chose her fighter name as a reminder that you have to fight for yourself, even when no one else is coming to fight for you. Find the full length video to learn more up on our YouTube channel now!

10/01/2026

We’re proud to support women who are building businesses, leading teams, and creating communities of their own. 💪

At 9Round, nearly 50% of our franchise owners are women, bringing their own passion, perspective, and purpose to the brand every day.

From first-time entrepreneurs to experienced business leaders, these women are proving that you can build something of your own while making an impact in your community.

Here’s to the women who lead, inspire, and make it happen. ❤️

Anatomy of a knee strike 🥊 Did you know the power behind a knee strike actually comes from your hips? The more you maste...
09/30/2026

Anatomy of a knee strike 🥊 Did you know the power behind a knee strike actually comes from your hips? The more you master your kickboxing technique, the more power and precision you can put behind every move at 9Round. 💪

Address

16 Plaza 94
Saint Peters, MO
63304

Telephone

+16362443219

Website

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