How to Change Birthday and Sex in Your Myzone Profile

Since this factors into your heart rate zones and calorie burn, please take a moment to submit a ticket.

Your Max HR and Effort Zones are initially based on your age and the calorie burn equation includes sex as a variable. For this reason, any changes made after your account is created will need to be made by our Customer Support staff. Not sure how to get in touch? Click "Help" at the bottom-right of your window browser to start a live chat (during business hours) or leave us a message!