Target Heart Rate - This is the first module in a series of modules for the runner and walker. These newton apps are part of the Training Log for Runner's and Walker's. It will contain functionality for capturing your daily and weekly mileage. Calculators for pace and training heart rates. Pace and steps per minute charts. Logs for entering weight and resting heart rates. This one contains Training Heart Rates only. Enter your age and resting heart rate, to calculate your target heart ranges. (Pick from a variety of calculations).