#NeverLate
Classes start every 10 minutes. Show up any time within studio hours.


A new class starts every 10 minutes. You're #NeverLate.
You have fitness goals: build strength, boost energy, stay consistent. At SWEAT440 NYC - Chelsea, we make it simple. Coach-led 40-minute strength training classes start every 10 minutes, so you're #NeverLate.
Our weekly program blends functional, resistance, and conditioning work for total-body progress. Whether you're new to fitness or an experienced lifter, our coaches help you leave every class feeling stronger, more confident, and ready for more.
Our Chelsea studio is located between Sally Beauty and Chelsea's Old Navy Store. Situated by the Flatiron building area, this is the perfect spot for your workout.
Conveniently situated next to Old Navy on 6th Avenue between 18th and 17th streets. Accessible via the M7 bus to the 18th street stop, or by taking the F or M train to Union Square, or the 1 train to 18th Street.
Coach-Led Classes Every 10 Minutes · Showers · Towels
600 6th Ave, New York, NY 10011
No long-term contracts. No cancellation nightmares. No hidden fees.
Your goals at your pace
Crush all the classes you want
Commit to be fit
Use all classes within 90 days.
Use all classes within 90 days.
Prefer to pay as you go? Single classes start at $35. Prices confirmed at the front desk on your first visit.
Book ahead or walk in any time within studio hours.
Lower Body Strength
6:00 AM - 12:00 PM
4:30 PM - 7:30 PM
Upper Body Strength
6:00 AM - 12:00 PM
4:30 PM - 7:30 PM
Athletic Conditioning
6:00 AM - 12:00 PM
4:30 PM - 7:30 PM
Lower Body Strength
6:00 AM - 12:00 PM
4:30 PM - 7:30 PM
Upper Body Strength
6:00 AM - 12:00 PM
4:30 PM - 6:30 PM
Hybrid Full Body
8:30 AM - 12:30 PM
Hybrid Full Body
8:30 AM - 12:30 PM
Classes start every 10 minutes. Show up any time within studio hours.
Built to fit real life. Coach-led, screen-guided, all under an hour.
Beginners and experts in the same class. Every move has a modification.
Coaches who know your name. Members who cheer you on. No one trains alone.
Kimberly
October 2026
Found sweat440 randomly bc my kiddos go to school nearby. I’m HOOKED. The idea that you can come every 10 min is so convenient. The format feels deceivingly doable while the workouts actually kick my butt. The staff (Seth, Don, Kris) are so welcoming and friendly. Definitely… Read more
Valentin K.
October 2026
Awesome place. Never boring workouts. Clean and well maintained. Stuff always nice and helpful.
Jenna J.
October 2026
I’ve enjoyed my workouts at Sweat440. The workouts are fun and the coaches are always there for some friendly advice, especially Kirby and Ronnie!
Jill W.
October 2026
I had a crazy experience at this location last week. I locked my belongings in a locker and at the end of the class I could not open my locker! I later found out that the master key was missing from the desk and the locker was broken. Kirby went above and beyond to help me get… Read more
Bia P.
October 2026
BEST CLASS EVER WITH RONNIE!! My favorite trainer by far cant recommend it more! Always leave feeling accomplished and fulfilled, mind cleared and ready for my day 🤩
Denise P.
October 2026
Such a great experience at SWEAT440! Everyone was so welcoming from the moment I walked in. I absolutely loved the energy, the music, and the vibe. Dom, Christian, and all of the coaches were super approachable, encouraging, and helpful throughout the workout. This was my first… Read more
Reviews from Google. Updated monthly.
A new class starts every 10 minutes. No card. No commitment. Just show up. We've got everything else.
*First class is on us. Local ID required. For first-timers only. Excludes ClassPass and third-party booking platforms. Cannot be combined with other promotions. Non-transferable.