The 27-year-old Cray, born to a Filipina mother in Olongapo City and an American father but raised in Texas, finished third in heat 4 of round 1 of competition with a time of 49.05 seconds. His personal best time is 48.98 seconds. The top 3 finishers of each of the 6 heats will advance to the semifinals along with the next 6 fastest runners.