Hemphill won the Class AA 100 meters as a freshman, sophomore, junior, and then finally as a senior. Hemphill saved his best for last, clocking a time 10.47 for the victory at Shippensburg to win No. 4.
"I live up to these moments," Hemphill said after the race in 2017. "I love the crowd. The crowd gets bigger every year. I love the hype."
Check out the full interview with Hemphill after completing his four-peat below: