Trethaway won the indoor NJSIAA Meet of Champions 3200m title in 2019 with a time of 10:32.55 before finishing ninth in the two mile at New Balance Nationals Indoor out of the unseeded heat running 10:25.63.
She's also a three-time Group 3 State Champion on the track and has two top ten finishes at the cross country NJSIAA Meet of Champions. Along with those honors Trethaway holds PRs of 4:48.82 in the 1600m, 10:19.37 over 3200m, and 2:23.45 in the 800m.
Georgetown University is quickly starting to become a New Jersey all-star team. Just this past week Chloe Gonzalez of North Hunterdon, another Meet of Champions winner on the track, also committed to the University. Past NJSIAA Meet of Champions winners Alyssa Aldridge and Lexi Del Gizzo already attend the school. Maya Drayton who starred in the sprints at Cherry Hill East is a freshman there and the Director of Track and Field / Cross Country is New Jersey's own Julie Culley.