Upcoming Events

Join us for a special event this month.

  • Fall Back Into Fitness Seminar

    Your guide to sustainable fitness and nutrition this fall.

    As summer winds down, now is the perfect time to refocus on your health and wellness goals. This seminar will cover essential topics including nutrition, fitness, hormones, effective goal setting, and the minimum exercise needed for lasting results. Attend with a friend and be entered to win a special door prize.

    When: Wednesday, September 10th at 6:00PM

    Where: Dragonfly Cafe, Lowell MA

    Price: FREE!

  • Member Appreciation Weekend

    Join SLS Fitness for a Member Appreciation Weekend!

    A time dedicated to YOU! Enjoy free services, delicious food and drinks, exclusive discounts, and more as we thank you for being part of the amazing community we’ve built together.

    When: Saturday, September 13th & Sunday, September 14th

  • Middle & High School Strength and Conditioning Camp

    Strength & Conditioning focused, progressively implementing exercises focusing on injury prevention, mobility, balance, stability, plyometrics, strength training, power development and conditioning. Good for athletes and beginners alike who want to improve their strength and conditioning skills!

    Price: $349 for both days, $174.50 if only able to attend 1 session per week

    Days / Times (sessions are 1 hour): 

    Middle School (Under 14 Years Old):

    -Tuesdays @ 6 PM with Coach Frank

    -Saturdays @ 12 PM with Coach Frank

    High School (14 Years Old and Up): Wednesdays @ 6:30 PM with Coach Sarah Saturdays @ 11 AM with Coach Frank

  • Punching Power Hour: Multi-Coach Special for Kaitlyn’s Fight – Supporting St. Jude

    Get ready for one of the most intense boxing classes you've ever experienced! In this high-energy, multi-coach special, you'll push your limits with a dynamic mix of on-the-bag rounds, technique-focused circuits, and boxing conditioning. Expect mittwork, partner drills, and heart-pounding, heavy bag rounds—all designed to challenge you physically and mentally.

    This class isn't just a workout; it's a knockout event to benefit St. Jude Children's Research Hospital, as we come together to support Kaitlyn's fight. Lace up and punch for a cause—let's make every round count!

    Led by Coach Colleen, Sarah, Ella and Belle of the Brawl's Fighter Kaitlyn Gann!

    Price: is a $20 donation, shirts will also be sold for $15. All proceeds go to Kaitlyn's page for St.Jude!

    Date: Monday, September 8th at 5:30pm-6:30pm

  • Our Jumpstart Program is on sale now!

    Get 4 weeks of a full membership for just $149! Get full facility access, our full class schedule, state of the art equipment, access to infrared saunas, two 1:1 sessions with a coach, and more!

    Price: $129 (save $40!)