About SLT Back Bay

SLT Back Bay is a high-intensity, low-impact workout studio that offers a full-body experience combining cardio, strength training, and Pilates elements. With expert instructors like Jane and Katrina, students can expect clear and precise guidance throughout their classes. The studio's welcoming atmosphere and helpful staff make it easy for new attendees to feel at ease. Classes cater to all levels, including those seeking a challenging hardcore workout or a more relaxing experience. Whether you're looking to push your limits or achieve a strong and toned body, SLT Back Bay is a great choice.

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Reviews for SLT Back Bay

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  • Feb 2026

    My favorite workout in Boston! The instructors are much more attentive to form compared to other studios I've been to, and it results in a far better workout and experience. In particular, I love Katrina and Catherine's classes!

  • Feb 2026

    Take Talia’s class!!! I took SLT for the first time but have been doing Lagree for a while. I have never dripped sweat in Lagree until I took Talia’s class. She was super easy to understand, her cues were very intentional and focused on having good form, and she made me feel super welcome and comfortable. She taught kick ass class and was pro at giving personal corrections to clients’ in between her cues to the broader class which is very tough to do.

  • Feb 2026

    Always have a great experience when I visit this studio. The team is friendly, knowledgeable, and the space is clean and well run. Katrina is my personal fave. Her classes are spicy in the best way, and her playlists are consistently 10/10 (I’ve definitely added a few songs to my own rotation).

    I’ve skimmed some of the negative reviews and… respectfully, I’m confused. Instructors are talented, but they’re not magical mind readers. If you need a modification, giving them a heads-up goes a long way. That’s literally one of the reasons the studio recommends showing up early for your first class. And spending four years and “thousands...read full review

Hours

Monday: 5:30AM - 8:30PM
Tuesday: 6:30AM - 8:30PM
Wednesday: 6:30AM - 8:30PM
Thursday: 5:30AM - 8:30PM
Friday: 6:30AM - 6:30PM
Saturday: 8:30AM - 2:30PM
Sunday: 8:30AM - 1:30PM

Location

341 Newbury St, Boston

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