Kate Ziegler swam a 9:24.80 in the 1000Y Freesyle Sunday evening at the Tom Dolan Invitational 2005 Meet at George Mason University -- Fairfax, Virginia.

Her time breaks the previous American Record of 9:25.49 set by Janet Evans in March 1989 in Chapel Hill, NC. This record has stood for 16+ years.

The time also set a US Open record and the 17-18 age group record.