Have you ever tried to finish a race under a time limit? This calculator will help you determine the average pace you should run at to reach your goal. Maybe a marathon under 3 hours? Or a 5K under 25 minutes?
This calculator will help you to predict your race time based on a previously completed race. It is based on the formula created by Peter Riegel. For details on the formula and the math read the how to guide.
This calculator will help you to calculate your body mass index. You can use metric or imperial units.
This calculator will help you to convert between paces determined in metric and imperial units. For the details about the math behind it read the how to guide.
This calculator will help you to define your heart rate zones using the Karvonen formula. A full description of the formula can be found here.