▁David ▁Wal ters , ▁L och te ▁won ▁the ▁gold ▁medal ▁and ▁his ▁team ▁broke ▁the ▁previous ▁world ▁record ▁by ▁one - h undred th ▁of ▁a ▁second ▁with ▁a ▁time ▁of ▁ 6 : 5 8 . 5 5 . ▁▁ 2 0 1 0 ▁ ▁At ▁the ▁ 2 0 1 0 ▁National ▁Championships , ▁the ▁selection ▁meet ▁for ▁the ▁ 2 0 1 0 ▁Pan ▁Pacific ▁Sw imming ▁Championships ▁and ▁ 2 0 1 1 ▁World ▁Aqu at ics ▁Championships , ▁L och te ▁won ▁individual ▁titles ▁in ▁the ▁ 2 0 0 - meter ▁back stroke , ▁ 2 0 0 - meter ▁individual ▁med ley , ▁and ▁the ▁ 4 0 0 - meter ▁individual ▁med ley . ▁He ▁also ▁placed ▁second ▁in ▁the ▁ 1 0 0 ▁and ▁ 2 0 0 - meter ▁fre est yle . ▁L och te ' s ▁win ▁in ▁the ▁ 2 0 0 - meter ▁individual ▁med ley ▁was ▁the ▁first ▁time ▁he ▁defeated ▁Ph el ps ▁in ▁a ▁major ▁national ▁or ▁international ▁meet . ▁At ▁the ▁ 2 0 1 0 ▁Pan ▁Pacific ▁Sw imming ▁Championships ▁in ▁Ir v ine , ▁California , ▁L och te ▁won ▁a ▁total ▁of ▁six ▁gold ▁med als . ▁ ▁His ▁wins ▁included ▁the ▁ 2 0 0 - meter ▁back stroke , ▁ 2 0 0 - meter ▁fre est yle , ▁ 2 0 0 ▁and ▁ 4 0 0 - meter ▁individual ▁med le ys , ▁and ▁ 4 ×