William Porter matched the Olympic record in the second semifinal, then broke it in the final to set a new record of 13.9 seconds. The other two medalists each finished equal to the old record time. Schedule All times are British Summer Time (UTC+1). Results Round 1 The first round was held on 3 August. The two fastest runners from each heat qualified to the semifinals. Heat 1 Heat 2 Heat 3 Heat 4 Heat 5 Heat 6 Semifinals The semifinals were held on 4 August. The three fastest runners advanced to the final. Semifinal 1 Semifinal 2 Final References External links Organising Committee for the XIV Olympiad, The (1948). The Official Report of the Organising Committee for the XIV Olympiad. LA84 Foundation. Retrieved 5 September 2016. Athletics at the 1948 Summer Olympics Sprint hurdles at the Olympics Men's events at the 1948 Summer Olympics