100 metres hurdles Masters athletics. They run the same spacing as women, which coordinates with existing markings on most tracks, but run over 36-inch (0.915 m) hurdles. In the 60-69 age range, the spacings are changed. Women over age 40 and men over age 70 run 80 metre versions with different heights and spacings. 100 m hurdles: 100 metres hurdles The 100 metres hurdles, or 100-meter hurdles, is a track and field event run mainly by women (the male counterpart is the 110 metres hurdles). For the race, ten hurdles of a height of are placed along a straight course of . The
United States at the 2013 World Championships in Athletics Jennifer Simpson (1500m), Lashinda Demus (400m hurdles), and Brittney Reese (long jump) on the women's team. 2012 Diamond League champions Charonda Williams (200m), Dawn Harper (100m hurdles), Chaunte Lowe (high jump) and Reese Hoffa (shot put) were also automatic qualifiers to the team. World record holder Aries Merritt was also a Diamond League champion in 2012, but a country is only allowed one bye into the championships. The bye into the 110m hurdles was already taken by Jason Richardson, so Merritt had to qualify by placing in the championships. Decathlon Heptathlon United States at other World Championships in 2013 United