9Round Fitness Millbury

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

Francine (aka Frankie) absolutely knocking it out of the park with her 100 workout!! You've come so far since you starte...
09/12/2026

Francine (aka Frankie) absolutely knocking it out of the park with her 100 workout!! You've come so far since you started, Francine...keep it up!!!

Say hello to our newest member at 9R Millbury...Alana!! Let's do this!!!
09/11/2026

Say hello to our newest member at 9R Millbury...Alana!! Let's do this!!!

09/09/2026

Lori giving us the scoop on the right way to swing those bells.

Anatomy of a side kick 🥊 mastering your kicks is all about knowing what to do and when for proper form, max power, and a...
09/09/2026

Anatomy of a side kick 🥊 mastering your kicks is all about knowing what to do and when for proper form, max power, and a stronger strike. Come try a side kick during your first trainer-led workout at a local studio near you.

Help us celebrate Jen Prioa (JPRO)! 🥊 She recently hit 1,000 total workouts, and we're so proud to be part of her fitnes...
09/08/2026

Help us celebrate Jen Prioa (JPRO)! 🥊 She recently hit 1,000 total workouts, and we're so proud to be part of her fitness journey. Thanks for being part of the 9Round Millbury family!

Help us celebrate one of our OG members...Jen Proia (JPRO)! 🥊 She recently hit 1,000 total workouts, and we're so proud ...
09/08/2026

Help us celebrate one of our OG members...Jen Proia (JPRO)! 🥊 She recently hit 1,000 total workouts, and we're so proud to be part of her fitness journey. Thanks for being part of the 9Round Millbury family!

09/08/2026

9Round does it all in just 30 minutes. 💪 Find a local studio near you and try the most efficient workout you'll ever do.

Real people. Real workouts. Real reasons to love 9Round. 🥊 We could tell you why our members love 9Round, but we’ll let ...
09/07/2026

Real people. Real workouts. Real reasons to love 9Round. 🥊 We could tell you why our members love 9Round, but we’ll let one of them tell you instead.

Happy Labor Day!!
09/07/2026

Happy Labor Day!!

Updated September schedule.
09/06/2026

Updated September schedule.

09/05/2026

A taste of what you’ll find on YouTube 🥊 Perfect for travel days, busy weeks, or when you just can't make it in the studio. But let's be real...nothing beats getting in the gym. Find more free workouts on YouTube, then come see us at a studio near you for the full 9Round experience!

Just a quick reminder of our adjusted hours for the holiday weekend. So get in tomorrow morning for that last weekend wo...
09/04/2026

Just a quick reminder of our adjusted hours for the holiday weekend. So get in tomorrow morning for that last weekend workout!

09/04/2026

Celebrating growth around the globe! 🌏 Three new studios are now open in Bangalore, India, helping their members grow stronger in 30 minutes, physically and mentally. 🥊

📍 Indiranagar | Koramangala | HSR layout

If you belong to any of these items, please bring them with you the next time you're in. If they're all still here after...
09/03/2026

If you belong to any of these items, please bring them with you the next time you're in. If they're all still here after the next two weeks, they'll be donated. TIA

“Wait… do I have to spar?” 👀 Nope! At 9Round, you can learn kickboxing, hit some heavy bags, get stronger, and get an in...
09/03/2026

“Wait… do I have to spar?” 👀 Nope! At 9Round, you can learn kickboxing, hit some heavy bags, get stronger, and get an incredible workout without ever having to spar. Come ready to sweat. Leave the fighting to the bags. 🥊

Casey!!! Bringing her chill vibes and positive attitude in with every workout. Hits her 300!!! WTG, Casey!
09/03/2026

Casey!!! Bringing her chill vibes and positive attitude in with every workout. Hits her 300!!! WTG, Casey!

09/02/2026

9Round has the most effective 30-minute workout, helping you burn up to 300-500 calories while having fun and punching it out. 🥊

PULSE Points are how you know you had a KILLER workout, thanks to our PULSE heart-rate technology. ❤️ The goal? 60 PULSE...
09/01/2026

PULSE Points are how you know you had a KILLER workout, thanks to our PULSE heart-rate technology. ❤️ The goal? 60 PULSE Points in 30 minutes. Hit 60 in 30, and you know you showed up and showed out. 👊

Strength looks good on you 💪
08/31/2026

Strength looks good on you 💪

08/29/2026

Need to burn it out on the go? We've got you covered with free 30-minute workouts on YouTube. Sure, it's not as great as being in the studio. But it can help you stay on track while traveling or or when leaving the house just isn’t happening. 😅🥊 Check the comments for a link to subscribe now.

Address

110 Elm Street 1
Millbury, MA
01527

Opening Hours

Monday 6am - 12pm
4pm - 7pm
Tuesday 6am - 12pm
3:30pm - 7pm
Wednesday 6am - 12pm
3:30pm - 7pm
Thursday 6am - 12pm
3:30pm - 7pm
Friday 6am - 12pm
4pm - 7pm
Saturday 8am - 12pm
Sunday 9am - 12pm

Telephone

+15088650800

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