Jones took the silver in 2:22.05. Sara Nordenstam of Norway earned the bronze in 2:23.02.
Lochte wins US duel in Olympic 200 backstroke
Ryan Lochte has upset defending champion Aaron Peirsol in the 200-meter backstroke at the Beijing Olympics, winning in a world-record time and dashing his teammate's hopes of completing a backstroke sweep for the second consecutive games.
It was the 19th world record set in the pool at these games. Lochte took the lead over the final 50 meters and touched in 1 minute, 53.94 seconds, lowering the world mark of 1:54.32 that he and Peirsol had shared for more than a month.
Peirsol earned the silver in 1:54.33. Arkady Vyatchanin of Russia, who led the first 150 meters, took the bronze in 1:54.93.
Peirsol had already won the 100 back in world-record time.