Cardio BootCANp™ registration is now open! For Facebook registration, click HERE.


SEPTEMBER 4TH - December 20

It is back and better than ever! This session we are incorporating a special Tier 2 Fall Challenge clad with nutritional support and more, all at an incredibly affordable price. 


   Tuesdays 7:05-8pm 


   Winthrop Parks & Rec Gymnasium (Old Winthrop Middle School Gym next to Larsen Rink - parking lot available and close to Winthrop      



   Drop in: $12 general public; $5 Student, Seniors 65+ & Military or purchase a Mini Cal-Zone 10 class package (good for all classes)

   PAYPAL: PayPal.Me/thecalzonenatalie or VENMO: (Natalie Bayersdorfer)


The Cal-Zone is a boutique training service offering group classes, personal training & more. From our signature program Cardio BootCANp™ to Weight Watchers®, we are a proud provider of health, wellness and celebration for folks of all fitness levels. 

Proud member of the Winthrop Chamber of Commerce.

DISCLAIMER - This website was solely created by Natalie Bayersdorfer and serves as information only. Material published on this website does not represent any named businesses. The material in this website has been provided for general information purposes only. None of the information on this site is intended to constitute specific physical or training advice.