Roma 2009 FINA World Championships Results

High or not Michael Phelps is a bad man in the pool. (AP Images)"]

Michael Phelps and the U.S. 400-meter medley relay team closed the fastest meet in swimming history with an appropriate finish Sunday night with the 43rd world record posted.

Phelps earned his fifth gold medal of a world championships that showed he's still got plenty of motivation, even after winning a record eight times at the Beijing Olympics.

Also Sunday, Ryan Lochte won his fourth gold medal of the championships and Germany's Britta Steffen matched her 50-100 freestyle sweep in Beijing.

No such glory for 42-year-old Dara Torres. The senior citizen of the pool finished last in her only individual final at the Foro Italico.

A pair of world records fell in non-Olympic events.

Liam Tancock broke his own world record to win the 50 backstroke and Russia's Yuliya Efimova set a world record while edging American Rebecca Soni in the 50 breaststroke.

You can bet on Michael Phelps' accomplishments in the Bodog Sportsbook!