7. Tyra Wilson Grabs The Hurdle Double
Info: Wilson's meet was a career-changer. The sophomore from Rock Bridge (MO) High School went a US No. 2 time of 40.79 seconds in the 300 meter hurdles -- approximately a half a second PR from her previous best of 42.35 -- and added a US No. 8 best of 13.52 in the 100mH, doubling at Great Southwest