Ava Costello
| Height: | 5-4 |
| Year: | Fr. |
| Hometown: | Trim, Ireland |
| Previous School: | Scoil Mhurie Secondary School |
| Event: | Distance |
High School: Costello competed for Scoil Mhuire Secondary School in Trim, Ireland… placed seventh at the All-Ireland Schools Cross Country championship… finished ninth at the All-Ireland Club Cross Country meet… posted a third-place showing in the 3,000-meter run at the All-Irelands… finished prep career with career bests of 17:26 in the 5K and 10:13 in the 3K.
Personal: Daughter of Sharon and Stephen Costello… born in Dublin, Ireland on April 10, 2003.
Academic: Majoring in human ecology.
