2005 Cross Country -- Redshirt season.
2005 -- Broke the school record in the steeplechase twice during the outdoor season ... At Pac-10, placed fourth with a lifetime-best and school record time of 10:31.34 ... Against USC, broke the school record for the first time, also setting a meet and stadium record in a time of 10:33.70 ... At the Mt. SAC Relays, dropped her lifetime-best by nearly seven seconds in the 5000m (16:25.74, No. 5 in school history), running one of the top-10 times in the nation (at the time) ... Placed 14th in the steeple at West Region (10:43.87) ... Athletic Director's Honor Roll.
2004 Cross Country -- Named Most Outstanding Cross Country Runner for the Bruins ... Was the No. 1 runner for the Bruins all season ... Placed 15th at Pac-10 (21:30) ... Earned All-Region honors after finishng 22nd (21:21) at West Region.
Summer 2004 -- Earned Junior All-American honors after placing sixth in the 1500m (4:36.83) at the Junior National Championships.
2004 -- While redshirting the 2004 season, ran 16:56.42 in the 5000m at Mt. Sac Relays ... Also ran 4:27.43 (1500m) and 9:29.43 (3000m) at the Rafer Johnson/JJK meet.
Cross Country -- Was one of the Bruins' top performers last fall ... Placed fourth at the Stanford Invitational, 14th at the NCAA West Regional Championships, 15th at the Pac-10 Championships, 24th at the Pre-National Invitational and 153rd at the NCAA Championships.
High School -- At the 2003 California State Meet, placed third in the 1600m in a personal best 4:53.74 ... Was the 1600m and 3200m champion at the CIF Div. I and Masters meets ... Named a Los Angeles Times' Girls' Track & Field First Team All-Star in the 1600m and 3200m.
Personal -- Born July 8, 1985 ... Daughter of Mark and Dorian Costello ... Has two sisters, Erin and Kristen ... History major.
Costello's Best Marks
1500m - 4:27.43
5000m - 16:25.74
Steeple - 10:31.34