UBX delivers a unique mix of boxing and strength training across a 12 round circuit: 6 rounds of boxing bagwork or padwork with a coach, and 6 rounds involving a combination of functional strength, cardio and conditioning movements. Each day is different and expertly programmed by a team of experts.
We offer the ultimate flexibility so you can get the most out of your membership. Our flexible start times mean you don’t have to book ahead, plus you can mix up your workouts to include 1-on-1 support during Coached Hours, independent training during Extended Access or workout anytime, anywhere with our On Demand app.
Want to find out if UBX is right for you? Enquire via our website and we'll reach out to walk you through everything.
Besides the fact that UBX is just a 1/2 mi walk away, I love the structure and mix of workouts as well as having the zones of a limited time so you're always moving. The staff is awesome and always providing great intel. I can go in without worry about getting to a "class" on time. You just walk in, and jump in when you're ready.
KC
Kristen Carreras
Mar 4, 2026
5.0
Hands-down, my favorite gym I have ever been to. This gym is fantastic for anyone, but especially for those who are super busy as there are no set/strict class times. The community here is amazing and the trainers are top-notch. Special shout out To Eric and Daniel! You guys rock and I’m so grateful to have you both as my coach and keep me accountable on my fitness/health goals. thank you, thank you, THANK YOU!!
CC
Caroline Carlson
Feb 28, 2026
5.0
This is a great spot for a challenging but fun strength/cardio workout. The coach Eric is super helpful and knowledgeable. He keeps the workout engaging and guides you through the boxing aspect of the workout so that’s an easy to navigate if new to you. Highly recommend!
TV
Tanya Viteri-Rodriguez
Jan 29, 2026
5.0
UBX Old Greenwich is an amazing workout space. I can't say enough great things about this space and coach Daniel. From the moment you walk in, his energy and professionalism, for training sets the tone for an amazing workout. He pushes your limits without ever making it feel intimidating, paying close attention to form, technique, and goals. So genuine, and truly one of the best training experiences I have had.
LJ
Lola Jimenez
Jan 28, 2026
5.0
My daughter and I both go here I had the pleasure of having this young gentleman named Melvin. I have nothing but great things to say about this young man, I’ve been more active on my day to day thanks to him. Not only does he help train but also helps with giving my daughter and I great advice. Overall this gym and all their staff have been nothing but absolutely helpful and lovely towards my family. Look forward to going to this gym every week.
Frequently Asked Questions About UBX Old Greenwich
What type of workouts does UBX Old Greenwich offer?
UBX Old Greenwich offers a unique 12 round circuit combining boxing and strength training, including bagwork, padwork with a coach, and functional strength, cardio, and conditioning movements.
What are the opening hours of UBX Old Greenwich?
UBX Old Greenwich is open Monday to Thursday from 5:30 AM to 10:30 AM and 4:00 PM to 7:30 PM, Friday 5:30 AM to 10:30 AM, Saturday 7:00 AM to 10:00 AM, and Sunday 8:00 AM to 10:00 AM.
Where is UBX Old Greenwich located?
UBX Old Greenwich is located at 178 Sound Beach Avenue, Greenwich, CT 06870, USA.
How can I contact UBX Old Greenwich?
You can contact UBX Old Greenwich by phone at +1 475-303-5578 or by email at oldgreenwich@ubxtraining.com.
What payment options are accepted at UBX Old Greenwich?
UBX Old Greenwich accepts American Express, Android Pay, Apple Pay, Bitcoin, Mastercard, and Visa.
Do I need to book my workout sessions in advance at UBX Old Greenwich?
No, UBX Old Greenwich offers flexible start times so you don't have to book ahead; you can attend sessions during coached hours, extended access, or use the on-demand app anytime.
Is there an app available for UBX workouts?
Yes, UBX has an On Demand app available on both Android and iOS platforms for workouts anytime, anywhere.
Which nearby places can I visit after my workout at UBX Old Greenwich?
You can visit nearby places like Sound Beach Pizza, Grill & Delicatessen for a meal, Joe Studio Cafe or Dunkin' for coffee, and Old Greenwich Dental Center for dental care.
Is there a yoga studio near UBX Old Greenwich where I can relax?
Yes, OG Yoga, a yoga studio and gym, is nearby and can be a great place to relax or complement your fitness routine.
What shopping options are available around UBX Old Greenwich?
Nearby shopping options include Station Centre for groceries, Gather boutique for clothing and jewelry, and Old Greenwich Wine Merchants for drinks.
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