800m 2:09.95 (2008)
Mile 4:40.37 (2008)
1,500m 4:21.65 (2009)
AT PRINCETON: All-American in the DMR in 2007 for finishing eighth at NCAA Indoors...Owns Tigers' indoor best in the mile (4:40.37), 1000m (2:49.98) and DMR...Earned six All-Ivy accolades, four of which were first-team honors for victories (1500m in 2007, mile and 4x800mR in 2008, and 3000m in 2009)...Ran the mile at the 2008 NCAA Indoor Championships...Two-time All-American, four-time all-region, four-time all-conference and three-time Ivy League champion in cross country...Earned a degree in chemical engineering from Princeton in 2010.
HIGH SCHOOL: State champion in the 1600m in 2006...Also helped her 4x400m relay squad to a PIAA state championship in 2004...Placed fifth at the USATF Junior Nationals in the 1,500m in 2006.
PERSONAL: Born Feb. 23, 1988, in Phoenixville, Pa....Enrolled in graduate school and is studying environmental engineering...Parents are James and Dorothy Costello...Has a younger brother, James.