10 Percent Rule Running Calculator

Calculate New Weekly Mileage (NM)

Formula

The formula to calculate the new weekly mileage is:

\[ NM = WM + (WM \times 0.10) \]

Where:

What is the 10 Percent Rule in Running?

The 10 Percent Rule in running is a guideline often used to increase distance or duration safely and effectively. It suggests that a runner should not increase their weekly mileage by more than 10 percent over the previous week. This gradual increase helps to minimize the risk of injury and allows the body to adapt to the increased physical stress.

Example Calculation

Let's assume the following value:

Using the formula to calculate the new weekly mileage:

\[ NM = 30 + (30 \times 0.10) = 33 \]

The new weekly mileage is 33 miles.