If you are 13 years old, what is your maximum heart rate?

To estimate the maximum heart rate for a 13-year-old, you can use the formula: Maximum Heart Rate = 220 - Age

Therefore, the estimated maximum heart rate for a 13-year-old would be 220 - 13 = 207 beats per minute. This is a general estimate, and individual variations may occur. It's always best to consult with a doctor or healthcare professional for personalized information on heart rate.