110 metres hurdles 100 yards (91.44 m). The first standards were attempted in 1864 in Oxford and Cambridge: The length of the course was set to 120 yards (109.7 m) and over its course, runners were required to clear ten 3 foot 6 inch (1.07 m) high hurdles. The height and spacing of the hurdles have been related to Imperial units ever since. After the length of the course was rounded up to 110 metres in France in 1888, the standards were pretty much complete (except for Germany where 1 metre high hurdles were used until 1907). The massively constructed hurdles of the
Athletics at the 2016 Summer Olympics – Men's 110 metres hurdles time comparison, and those athletes were allowed to run in a repechage round to improve their qualifying time. Two athletes Deuce Carter and Alexander John had been disqualified for failure to properly clear hurdles in those earlier races and were allowed to re-enter. Carter qualified for the semi-finals from the special race. Qualification rule: first 4 of each heat (Q) plus the 4 fastest times (q) qualified. Athletics at the 2016 Summer Olympics – Men's 110 metres hurdles The men's 110 metres hurdles event at the 2016 Summer Olympics took place between 15–16 August at the Olympic Stadium. The 2012