-- The United States piled up four more victories at the World Short Course Championships on Saturday night, although the American women lost a thrilling medley relay final to Australia's world record-setting team.

The Americans won four of 10 finals on the meet's third night, giving them 14 victories in 23 events so far.

Jenny Thompson defeated a strong field in the final meet of her career to win the 50-meter butterfly, then put the United States in front during the fly leg of the 400 medley relay. But Kara Lynn Joyce couldn't hold the lead against Aussie anchor Lisbeth Lenton, whose 100 freestyle split of 52.05 was the fastest in history.

"I guess it took them a world record to beat us," Thompson said. "It was a great fight and we knew it was going to be."

Australians Sophie Edington, Brooke Hanson, Jessica Schipper and Lenton won in 3 minutes 54.95 seconds, lowering Sweden's mark of 3:55.78 set in 2002. It was the meet's first world record in the 25-meter temporary pool. Sweden was third.

Backstroker Haley Cope gave the Americans the early lead. Tara Kirk dropped to second behind Hanson on the breaststroke portion before Thompson put the Americans back in front by 54-hundredths of a second during the fly. Lenton came off the final turn stronger than Joyce.

"It was really nice to get a victory on their home soil, but we're not going to rub it in because they might get us the next time," Lenton said. "It was neck and neck with everyone coming down to me. I just came out, concentrated on my race plan and it came down to the last turn."

Kaitlin Sandeno won her fourth gold medal of the meet and Brendan Hansen completed a sweep of the breaststroke events by winning the 200 for the Americans, who are without injured star Michael Phelps. He withdrew Friday with a back injury after winning the 200 freestyle.

"If it's in your own pool, you're not going to make a fool of yourself," said Mark Foster of Britain, who won the 50 free at age 34.

Spurring on the home team was a crowd of 11,488 -- largest at a non-Olympic swimming event in the United States.

"When they announce USA and everyone goes ballistic, it's absolutely incredible," said Margaret Hoelzer, who won the 200 backstroke. "People obviously like watching in the Olympics. Hopefully, stuff like this will help people stay interested."

At 31, Thompson was the oldest swimmer in the eight-woman 50 fly final that included world record holder Anna-Karin Kammerling of Sweden, Lenton, Martina Moravcova of Slovakia and fellow U.S. Olympian Rachel Komisarz.

Thompson barely outtouched Kammerling, the defending champion, at the wall after a furious sprint through the final 25 meters. She won in 25.89 seconds. Kammerling finished in 26.02. Lenton, who won the 100 freestyle earlier in the evening, was third. Komisarz and Moravcova tied for fourth.

Sandeno led a 1-2 American finish in the 400 free. She won in 4:02.01, ahead of Sara McLarty in 4:04.49. Sachiko Yamada of Japan, the 800 free champion, was third.

Sandeno won three golds on Thursday's opening night -- the 200 fly, 400 individual medley and as anchor of the United States' 800 free relay.

"I'm so happy. We're still running on adrenaline from Athens," said Sandeno, a crowd favorite. "We're rock stars here in Indianapolis. It's cool, very flattering."

Hansen won the 200 breaststroke in a meet record 2:04.98. Brenton Rickard of Australia was second in 2:08.34 and Vladislav Polyakov of Kazhakstan was third. Like his teammates, Hansen was amazed by the raucous crowd inside Conseco Fieldhouse.