Flex Training Center

Flex Training Center Formerly Knockout Fitness, FLEX TRAINING CENTER is committed to making health a top priority. Flex Training Center is the LAST neighborhood gym in Rochester.
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Formerly Knockout Fitness, FLEX has been improving the quality of equipment since December 2022 when Tom Renner, the owner, took over. Since early 2023, we've spent close to $200,000 on new, state-of-the-art equipment.

Easter Bunny Ears encouraged. Have a great holiday weekend!
04/03/2026

Easter Bunny Ears encouraged.
Have a great holiday weekend!

03/25/2026

This is what consistency looks like! 💪

03/09/2026

Had the chance to catch up with and her Leg/Arm day (1.5 hours THEN cardio).
Sign up at Flex today! 💪

New custom logo’d deadlift platform. Bodybuilder approved! ✅
02/16/2026

New custom logo’d deadlift platform. Bodybuilder approved! ✅

02/10/2026

🚨Adjusted Hours for you morning folk:
Gym will open at 5am (instead of 4), this Friday (2/13).
These hours will continue into the next week.
Regular hours resume on February 2/23.🚨

01/19/2026

“Our lives begin the end the day we come silent about things that matter.”

Newest collection from Titan Fitness 🔥 Best benches on the market.
01/09/2026

Newest collection from Titan Fitness 🔥
Best benches on the market.

01/08/2026

By popular demand, we’re excited to announce the arrival of a THIRD bench from Titan Fitness ().
This one is stationary but we DO have two adjustable ones as well. Thanks Ben () for letting us film 💪
Nobody makes a better freestanding bench than Titan. Join Flex today!

New Years Hours! Get your lift on and start the New Year Right 🔥
12/30/2025

New Years Hours! Get your lift on and start the New Year Right 🔥

If you're looking for a day pass for Christmas Day, stop in and we'll take care of you! We are one, if not the only gym ...
12/20/2025

If you're looking for a day pass for Christmas Day, stop in and we'll take care of you! We are one, if not the only gym in Rochester that will be open. 🥳🥳

Sick of the Titan Fitness bench always taken? Well, we picked up another one. Merry early Christmas from Flex! 💪
12/09/2025

Sick of the Titan Fitness bench always taken? Well, we picked up another one. Merry early Christmas from Flex! 💪

Address

675 Atlantic Avenue
Rochester, NY
14609

Opening Hours

Monday 5am - 10pm
Tuesday 5am - 10pm
Wednesday 5am - 10pm
Thursday 5am - 10pm
Friday 5am - 9pm
Saturday 7am - 5pm
Sunday 7am - 5pm

Telephone

+15856547122

Website

https://oarfish-apricot-7rdj.squarespace.com/

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