Flex Training Center
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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.
02/16/2026
New custom logo’d deadlift platform. Bodybuilder approved! ✅
🚨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.🚨
12/30/2025
New Years Hours! Get your lift on and start the New Year Right 🔥
12/09/2025
Sick of the Titan Fitness bench always taken? Well, we picked up another one. Merry early Christmas from Flex! 💪
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Contact the business
Telephone
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 |
