LONDON -- Bremerton s Nathan Adrian picked up his third career Olympic gold medal while Michael Phelps collected his record 18th and final gold as the United States won the medley relay Saturday.
Adrian adds Saturday s gold to the one he picked up in the 100 meter freestyle. He also won silver in the freestyle relay.
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Phelps leaves the sport with a record 22 medals overall. At these games he won four golds and two silvers.
In the final swimming event of the eight-day meet, the Americans clocked 3:29.35.
Matt Grevers led off in the backstroke leg, Brendan Hansen swam the breaststroke, Phelps did his usual butterfly leg and Adrian was the anchor in freestyle.
The Americans trailed when Phelps dove in, but he pushed them in front.
Japan touched in 3:31.26 to take the silver medal and Australia finished in 3:31.58 to take bronze.