Tip - Heart Rate Calculator

Published 9 years, 3 month(s) ago | Submitted by rex mackey

Heart Rate CalculatorAn easy-to-use calculator that will help you determine your optimal HR training zones Your browser does not support iframes. Wa

For further reading: http://runnersconnect.net/training/tools/heart-rate-calculator/

Posted: 9 years, 3 month(s) ago

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