For this Mega Study, we have analyzed 34,680,750 results from 28,732 different races. American race runners are steadily getting slower across all four major race distances - 5 Kilometer, 10 Kilometer, Half Marathon, and Marathon. In this study, we analyze how Americans’ health influences their running performance. Feel free to use any material from this page, as long as you refer to this original source. Key result The graph below shows the finish time trend of th[…]
American Runners Have Never Been Slower (Mega Study)
