SLS Fitness

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SLS Fitness Strength and Conditioning Center
(650)

Metabolic Effect, TRX, Spinning, Boxing, MMA, Strength Training, Boot Camp, Advanced Interval Training, Metabolic Effect Fat Loss, Pre/post Natal, Boxing bag, Warrior workouts, Beginner classes, Yoga, Pilates, and more!

10/08/2026

Core exercise of the week! If you are looking to improve upper body rotation and hip internal rotation or just challenge yourself with a difficult core exercise, you’ve got to give this one a try!

10/05/2026

25 DAYS. $25.

🔥 IT’S TIME TO SWITCH THINGS UP.

Try our BRAND-NEW SCHEDULE� and experience SLS Fitness for just $25.

LIMITED TIME ONLY�
Purchase: OCT 5–19
�Your 25 Days Start: OCT 19
ONE DEAL. 25 DAYS. $25.
DON’T MISS IT.

Video Credit: ASR Media

10/04/2026

NEW SCHEDULE STARTS TOMORROW!

09/30/2026

Matt’s current go-to stretches and exercises for hip and low back pain!

09/29/2026

Who would you choose as your Dancing with the Staff partner?! 🪩🕺🏻💃🏻

Scroll-through to see our upcoming events! You can learn more on our website under the events tab! Stay tuned for a deal...
09/24/2026

Scroll-through to see our upcoming events!

You can learn more on our website under the events tab! Stay tuned for a deal like never before...

09/23/2026

Testimonials series #3 Amy!! Thank you for all the fun you bring to our community and for supporting us for so many years 😁

Limited availability: Book your spot!Ready for more personalized support? 💪 We have a few openings for 1:1 personal trai...
09/21/2026

Limited availability: Book your spot!

Ready for more personalized support? 💪 We have a few openings for 1:1 personal training with Coach Alexis, Susan, and Jake. DM us or reach out to our front desk to get your spot before they fill up!

NEXT WEEK!Join us for Fall Back Into Fitness: Q&A Edition, a community night where you can bring all your questions abou...
09/15/2026

NEXT WEEK!

Join us for Fall Back Into Fitness: Q&A Edition, a community night where you can bring all your questions about fitness, wellness, and nutrition heading into the fall season. Get practical, expert guidance on everything from workouts and nutrition to recovery, healthy habits, and staying motivated.

When: Wednesday, September 23rd at 6:00PM
Where: Dragonfly Cafe

Address

345 Chelmsford Street
Lowell, MA
01851

Opening Hours

Monday 5:30am - 8pm
Tuesday 6am - 8pm
Wednesday 5:30am - 8pm
Thursday 5:30am - 8pm
Friday 5:30am - 3pm
Saturday 6:30am - 1pm
Sunday 8am - 9:30am

Telephone

+19784595959

Website

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