Canada’s Andre De Grasse and Marco Arop win at Pre Classic

De Grasse continued his run of spectacular performances, clocking 9.74 over 100m, though it was not wind-legal

Athing Mu runs American record at Prefontaine Classic

The 19-year-old phenom has won seven straight races since turning pro

Matt Centrowitz attempts the U.S. mile record

2016 Olympic champion goes after the U.S. mile record in his last race before Tokyo games