2020-21 (Freshman Year)
- Did not compete.
High School
- Four-year letterwinner at Central Catholic under Mercedes McCarthy
- Named team captain during senior year
- Named All-American in the 200 medley relay as a sophomore
- Three year WPIAL and PIAA medalist
- Members of the 200 medley relay, 200 free relay, and 400 free relay teams that hold the Central Catholic High School record
- Qualified for Futures
- Five-time zone team member.
Personal
- Full name is John Phillip Guilinger
- Son of David and Kathleen Guilinger
- Has a younger sister Maria
- Enjoys fishing, skiing, and. hanging out with friends
- Has not decided on an intended major
- Born November 3, 2001
On Choosing Penn State:
“I fell in love with the program, the staff and the overall environment at campus.”