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.
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.
In addition to the State Report Cards interactive map, this tool lets readers calculate grades for states based on weighting schemes that they devise themselves. Part of our annual report, Quality ...
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