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 ...

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, ...

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, ...

This grading calculator allows users to adjust Quality Counts category and subcategory weights in one percentage-point increments to generate new user-defined scores. This grading calculator allows ...

Based on the work of Alan Jones, the USATF Age-Grading Calculator evaluates surface, sex, event, and age to determine the equivalent time for a 26-year-old, thus standardizing marks for all.

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, ...