F45 Training Williamsburg: Group Fitness and HIIT Classes in Williamsburg, Brooklyn
Group fitness classes in Williamsburg
F45 Training Williamsburg sits at 289 Grand St, a few blocks from Bedford Ave and the L train, with the G at Metropolitan Ave and the J at Marcy Ave both close by. It is the neighborhood studio for South Williamsburg and the Bedford strip, and an easy ride for members coming from Greenpoint, Bushwick, East Williamsburg and over the Williamsburg Bridge from Manhattan.
Classes are coached 45-minute group workouts: strength days built on dumbbells, kettlebells, barbells and sleds, cardio days built on intervals, and hybrid days that combine the two. The program changes every day and the coach runs the room, so you never plan a workout or wait for a rack. It is the group fitness class in Williamsburg for people who want the intensity of HIIT with real strength progression, and it doubles as HYROX prep because every F45 NYC studio follows the HYROX-aligned programming. Williamsburg also runs HYROX Open Gym every Sunday from 1 to 3 PM with all eight race stations set up, $20 for members and $30 drop-in. One F45 NYC membership also works at Dumbo, Flatiron and Midtown East.
Class hours at F45 Williamsburg
These are class hours: the first class start and the last class end each day. The studio opens shortly before the first class and closes after the last one. Book ahead in the F45 app, especially for early-morning and post-work slots.
| Monday | to up to 8 classes |
|---|---|
| Tuesday | to up to 7 classes |
| Wednesday | to up to 8 classes |
| Thursday | to up to 7 classes |
| Friday | to up to 7 classes |
| Saturday | to up to 3 classes |
| Sunday | to up to 3 classes |
Taken from the live schedule for 2026-10-06 to 2026-10-19 (the widest window each weekday over two weeks), refreshed daily. Holiday hours can differ; the app always has the current timetable.
The weekly format
Every day is a different coached 45-minute workout. The rotation is the same at every F45 NYC studio, so you can build your week around the days you want.
Resistance training with dumbbells, kettlebells, barbells and sleds.
HIIT intervals built around plyometrics, tempo and conditioning.
Strength and cardio in one session, the format HYROX athletes train most.
Mobility and stretch work to pair with your harder sessions.
Ready to train at F45 Williamsburg? Pick a class on the studio schedule. New to F45? Start with the $49 Unlimited Week and try every format.
Book a classHYROX Open Gym at F45 Williamsburg
Every Sunday the Williamsburg floor is set up as a HYROX course. Run the stations at race pace, drill the ones that slow you down, or work through a full simulation with a coach on the floor.
- Sundays, 1 to 3 PM. Drop in any time during the window.
- $20 for members, $30 drop-in for non-members.
- All eight race stations: sled push, sled pull, ski erg, rower, burpee broad jumps, wall balls, sandbag lunges and farmer carries.
- Open to members of any F45 NYC studio and to non-members with a drop-in.
WHAT IS F45 TRAINING?
F45 is the world's fastest-growing functional fitness community. Our signature 45-minute workouts combine strength and cardio in an exciting, team-based atmosphere.
Every workout is different. Our coaches guide you through each session, ensuring proper form and pushing you to achieve your best results.
F45 Williamsburg FAQs
Where is F45 Williamsburg?
F45 Training Williamsburg is at 289 Grand St, Brooklyn, NY 11211, a few blocks east of Bedford Ave in Williamsburg. It is a short walk from Domino Park and the Williamsburg Bridge.
Which subway goes to F45 Williamsburg?
Take the L to Bedford Ave or Lorimer St, the G to Metropolitan Ave, or the J or M to Marcy Ave. Each stop is about a five to ten minute walk to the studio on Grand St.
Does F45 Williamsburg have HYROX Open Gym?
Yes. HYROX Open Gym runs every Sunday from 1 to 3 PM at F45 Williamsburg with all eight race stations set up: sled push, sled pull, ski erg, rower, burpee broad jumps, wall balls, sandbag lunges and farmer carries. It is $20 for members and $30 drop-in, and you can drop in any time during the window.
Is there a free trial at F45 Williamsburg?
F45 Williamsburg runs a $49 Unlimited Week trial rather than a single free class: seven days of unlimited classes at the studio, booked through the trial link on this page. Arrive ten minutes early for your first class and a coach will walk you through the format.
Can Dumbo members train at F45 Williamsburg?
Yes. One F45 NYC membership works at all four F45 NYC studios: Dumbo, Williamsburg, Flatiron and Midtown East. Book through the F45 app or your studio's Mindbody schedule and pick whichever studio is closest that day.
More questions about classes, membership and HYROX? Read the F45 NYC FAQs.
READY TO START?
Join F45 Williamsburg today and experience the best functional training in NYC. Start with the $49 Unlimited Week.
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