United States' Kerron Clement crosses the line to win gold...

United States' Kerron Clement crosses the line to win gold in the men's 400-meter hurdles during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Thursday, Aug. 18, 2016. Credit: AP / Tim Donnelly

RIO DE JANEIRO — Two-time world champion Kerron Clement finally has an Olympic gold medal in the 400-meter hurdles.

The 30-year-old American won the world titles in 2007 and ‘09, sandwiched around his Olympic silver medal in Beijing, but hadn’t been back on the podium of a major championship until winning Thursday’s final in a season-best 47.73 seconds.

Boniface Mucheru Tumuti took silver for Kenya, 0.05 behind, and Turkey’s Cuban-born Yasmani Copello, the European champion, won bronze in 47.92.

Javier Culson, the 2012 Olympic bronze medalist from Puerto Rico, was disqualified for a false-start.

Four of the finishers produced national-record times, including Tumuti and Copello.

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