how many hurdles are in a standard hurdles race

The men's 110m Hurdles consists of 10 hurdles set at 42" and the distance to the first hurdle is 13.72m (45 feet). The objective is to minimize center-of-gravity deviation from normal sprinting and reduce time spent flying through the air. Many people want to know how many hurdles are in a race. Women historically competed in the 80 meters hurdles at the Olympics in the mid-20th century. // -->

how many hurdles are in a standard hurdles race