Ashley Spencer (athlete) the bronze medal in the 400m hurdles in a personal best time of 53.72 seconds. In June 2017, Spencer moved into the world all-time top 25 when she improved her 400m hurdles best to 53.11 seconds, finishing fourth at the U.S. Championships, in a race won by Dalilah Muhammad in 52.64. Ashley Spencer (athlete) Ashley Spencer (born June 8, 1993) is an American track and field athlete who competes in the 400 metres and the 400 metres hurdles. In the 400m hurdles, she is the 2016 Olympic bronze medalist. In the 400m, she is the 2012 World Junior Champion and
Christian Taylor (athlete) the World Championships. As Diamond League Champion, he also earned an automatic entry into the World Championships, so he chose not to compete at the American championships, won by Claye in his personal best 17.91m. At the World Championships, Benard was the #1 qualifier, but a non-factor in the final. After Claye took the first round lead, Taylor took over the lead in the second and hit his 17.68m winner in the third round to successfully defend his world championship. Christian Taylor (athlete) Christian Taylor (born June 18, 1990) is an American track and field athlete who competes in the