ISTANBUL — Ryan Lochte broke the 100-meter individual medley world record Saturday in the semifinals of the short-course world championships, and St. Petersburg's Megan Romano won her second relay gold medal of the event.
Lochte, a former Gator, finished in 50.71 seconds, bettering the mark set by Slovenia's Peter Mankoc in December 2009. Friday, Lochte set the world record in the 200 IM.
Romano was part of the United States' 400 freestyle relay team, which won in 3 minutes, 31.01 seconds, followed by Australia and Denmark. Also on the team were 2012 Olympic gold medalists Jessica Hardy, Lia Neal and Allison Schmitt.
Romano also was on the winning 800 freestyle relay team. She has four medals total in the event, which ends Sunday. She got silver in the 100 freestyle and was part of the bronze-winning 400 medley relay team.
Clearwater's Melanie Margalis was sixth in the 200 individual medley final, won by China's Ye Shiwen, a two-time 2012 Olympic gold medalist, in a championship record 2:04.64.
Ruta Meilutyte, 15, of Lithuania won her second gold medal, taking the 100-meter breaststroke, the event she won at the London Olympics. She won in 1:03:52, beating the championship record of 1:03.98 set by American Rebecca Soni in Dubai in 2010.
Another championship record was set by Brazil's Nicholas Santos, who won the 50 butterfly in 22.22. Olympic gold medalist Chad Le Clos of South Africa got the silver in 22.26, and American Thomas Shields finished third in 22.46.
Robert Hurley of Australia won the 50 backstroke in 23.04. American Matt Grevers, another 2012 Olympic gold medalist, came second in 23.17.