Jenny Thompson won the 100-meter freestyle Sunday to lead an American sweep on the final day of the International Swimming Cup races.
The U.S. men scored 404.2 points and the women 411.2 to take both team titles by a landslide.
Thompson's 56.03 seconds was the third-best women's time of the year.
In the overall men's standings, Canada placed second with 245.3 points, then came Italy with 225.5, France with 222.8 and Britain with 189 points.
In women's totals, Britain was second with 232 points, Canada third with 231, Italy fourth with 176 and East Germany fifth with 145 points.