Ever wanted to compare your personal bests against others while accounting for variables such as age, sex, and distance? Luckily, we have an age-grade calculator ready to go. But just what is an ...

Three ways to return the average age for a group using Excel Your email has been sent Summarizing data is a common task in Excel, and there's usually more than one way to do so. Susan Harkins explains ...

If you’re a runner, you might believe that you have to be a certain age to hit your running peak and clock your best times. Then, once you’ve passed that period, your performance will decline and, ...