( CNN ) -- Ryan Lochte doubled his gold-medal haul on the final day of the 10th FINA world short-course swimming championships in Dubai on Sunday . The American added gold in the men 's 200 meter backstroke -- setting a new championship-best time -- and the men 's 100m individual medley . The 26-year-old , the leading U.S. swimmer in the absence of his main rival Michael Phelps , also claimed a team gold as the U.S. won the 4x100m medley relay event , taking his title tally to six in Dubai . Sunday 's results took his overall medal total in all short-course world championships ( which are held in 25m pools ) to 21 -- four more than the previous record of 17 held by Sweden 's Therese Alshammar . Lochte 's tally of seven medals at the 2010 championships is also a record , as he also picked up a silver in the 4x200m free relay . `` I knew before the meet that my last day would be one of the toughest , but I am always up for the challenge . This is probably one of the worst shapes I have been in for a world championships , '' he told the sport 's official website . `` I 'm not really 100 % . I 've done a lot of training , I have n't really rested for this meet and it 's actually very good for me because it makes me want to race harder and it 's a stepping stone for the [ 2011 ] Shanghai worlds . '' The United States led the final medals table with 25 , which included 12 golds . Russia finished second on 10 ( four golds ) , Spain claimed third place with eight ( four golds ) , while China finished fourth with 14 medals ( three golds ) . Brazil 's Cesar Cielo Filho completed a double in the freestyle sprint events , taking gold in the men 's 100m ahead of French swimmer Fabien Gilot and Russia 's Nikita Lobintsev to follow up his victory in the 50m . Felipe Silva gave Brazil a third gold of the week when he won the 50m breaststroke in a championships-record time of 25.95 seconds . In the women 's events , Rebecca Soni secured a clean sweep in the breaststroke after adding the 200 meters title to the 50 and 100 meter she won earlier in the week . All her victories came in championship record times . But it was Mireia Belmonte Garcia who was crowned the most successful female swimmer at the championships with four medals . The 20-year-old Spaniard claimed three gold medals ( 200 meter butterfly , 200 meter and 400 meter individual medley ) and one silver in the 800 meter freestyle . Sweden 's Therese Alshammar equaled the record of women 's overall medals by winning silver in the 100m butterfly to match the 17 achieved by former U.S. swimmer Jenny Thompson . Felicity Galvez won the race in a championships-record time of 55.43 to retain her title and give Australia a first gold of the competition . China 's Jing Zhao also set a new best time in winning the 50m backstroke in 26.27 , while world record-holder Rebecca Soni of the U.S. set another milestone in the 200m breaststroke as she clocked 2:16.39 to clinch a hat-trick of golds in the discipline .
Lochte wins three golds on last day of world short-course swimming championships . In all , Lochte claims a record seven medals at the championships in Dubai . - The U.S. men's basketball team defeats Serbia to win gold medal for first time since 1992 Olympics. United States tops the medal table with 12 gold and 25 in total .