Colorado Study Shows Nike Shoe Makes Running 4% Easier
Sports is chock-full of seemingly unbeatable records. Joe DiMaggio’s hit streak, Cal Ripken’s consecutive-games streak and Wayne Gretzky’s 2,857 career points all represent mind-boggling figures. These are the numbers that keep us watching. An elusive mark from the running world is the 2-hour marathon. The closest anyone has come (and the current world record) was […]