Underground Boxing & Fitness

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Underground Boxing & Fitness ALL LEVELS OF FITNESS MEN, WOMEN AND KIDS ARE WELCOME! • Boxing • Competition • Sparring • P
(245)

10/09/2026

Watching boxing is easy. Doing it is a different story. 🥊

Come find out what you’re capable of.

Real boxing. Real coaching. All levels welcome.

📍 Underground Boxing & Fitness
609 Avenue X, Brooklyn, NY 11235

📞 (718) 758-5959

DM us to get started.

10/07/2026

Happy Birthday Milo ! keep growing strong Champ! 🌟🔥🦾
10/07/2026

Happy Birthday Milo ! keep growing strong Champ! 🌟🔥🦾

10/05/2026

Kids Training + Teens Beginners
Monday - Friday 5:00pm

Building a stronger, healthier next generation 🥊

10/03/2026

Rounds on rounds 🥊

Train with the Best Dmitrii Nesterov Be The Best
09/24/2026

Train with the Best Dmitrii Nesterov Be The Best

Train with the Best Dmitrii Nesterov and Be The Best
09/24/2026

Train with the Best Dmitrii Nesterov and Be The Best

09/23/2026

School’s back. Time to get back in the gym 🥊
We’re waiting for you!

Teen Boxing Class
Monday–Friday
6:00 PM–7:30 PM

09/15/2026

🥊 Big confidence starts with small gloves!

Our Kids Boxing program helps young athletes build confidence, coordination, discipline, and strong fundamentals — all while having fun.

Give your child a great start 👊
📍 Brooklyn
🥊 Beginners welcome
📩 DM us to book a trial class!

Photo by FOLAJIMI
09/09/2026

Photo by FOLAJIMI

Address

609 Avenue X
Brooklyn, NY
11235

Opening Hours

Monday 8am - 10pm
Tuesday 8am - 10pm
Wednesday 8am - 11pm
Thursday 8am - 10pm
Friday 8am - 10pm
Sunday 11am - 1pm

Telephone

+17187585959

Website

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