SLS Fitness

SLS Fitness Strength and Conditioning Center
(651)

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!

06/10/2026

New speed and agility training! Starting end of June 🏃‍♀️💨

06/08/2026

WE CHALLENGE YOU! Every in-house class, personal training, or bodywork session earns you points from next week until August! Each point counts as a raffle ticket for some really cool prizes. Stay tuned for more information soon…

Starts: Monday, June 15th

Ends: August 15th!

06/07/2026

Coach Riley is here to share a little about his wrestling journey 🤼‍♂️ Want to learn from him and prep in this off season? He is running a wrestling small group starting June 23rd 💪 DM us for more info or find it on our website!!

Our Coach Spotlight Series continues with our awesome Coach Lisa!Lisa always brings expert advice and kindness to all of...
06/04/2026

Our Coach Spotlight Series continues with our awesome Coach Lisa!

Lisa always brings expert advice and kindness to all of her classes, clients, and bodywork sessions!

Thank you, Lisa, for the effort and joy you pour into our community every single day.

Sound off in the comments and show Lisa some love!

Our coaches love  🥗 Here are their protein and fiber packed meals of choice! Comment yours below 😋
06/03/2026

Our coaches love 🥗 Here are their protein and fiber packed meals of choice! Comment yours below 😋

06/01/2026

What are the most common mistakes when doing a squat?

05/29/2026

AMRAP of chin ups vs an AMRAP of push ups ⬆️ Which are you choosing?? Comment or below 💪

05/27/2026

I do this in the gym… to do this out of the gym: Sherri edition! Training isn’t only about the muscle or mobility we gain, it’s about how we can functionally move to have memories we will never forget.

05/22/2026

Today’s barbell weight room tried the bosu ball challenge!! Their average time was 10 seconds to get the tennis ball to the center 💪 Comment below if you think you can beat them

05/20/2026

Push-ups come in all shapes and sizes! Here are a few options to try 💪 Drop below what your favorite is!!

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

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