2009-10 ACADEMIC ALL-BIG TEN
| Event | Time | Date | Site |
| 100 Free | 1:44.89 | 12/1/07 | at Princeton Invitational |
| 200 Fly | 1:52.17 | 3/8/09 | Last Chance Meet |
| 500 Free | 4:31.26 | 2/25/10 | Big Ten Championships |
| 1,650 Free | 15:45.83 | 2/28/09 | Big Ten Championships |
LION CAREER
2009-10 (Junior): Set new personal record in 500 freestyle with a time of 4:31.26 at Big Tens...Put together a 1:53.16 performance in the 200 fly at Big Tens, good for 34th...Swam personal best 15:46.83 in the 1,650 free at Big Tens, finishing 30th...Opened the season at St. Bonaventure with a win in the 500 free and a second-place finish in the 200 fly...Placed second in the 1,000 freestyle vs. Buffalo with a time of 9:36.47...Season-best time of 9:33.40 in the 1,000 free came at Ohio State/vs. Michigan and Northwestern.
2008-09 (Sophomore): Finished second in the 500 free, finishing with a career best time of 4:33.38 as an exhibition swimmer...Garnered second place at the Last Chance Meet in the 500 free, swimming a time of 4:35.62...Notched fifth place in 200 butterfly at Last Chance (1:52.17) and vs. Maryland/Pitt/Villanova (1:55.58)...Member of fifth-place 200 medley relay squad at SMU that swam 1:39.77.
2007-08 (Freshman): Primarily competed in the 500 freestyle and 200 butterfly events...Best finish came against Indian River C.C. in the 400 medley relay where the team checked in at third place...Had four top-five finishes in the 200 butterfly.
HIGH SCHOOL
Swam for four years on the varsity swimming team at Hampton...Three-time WPIAL champion...Set the WPIAL record in the 200 free as a junior and was named All-American...Also was an All-American as a senior and a silver medalist at the PIAA meet...Holds the school record in the 200 free...Named team MVP as a freshman...Member of both the high honor roll and the student-athlete leadership academy.
PERSONAL
John Edward Zierenberg was born on July 10, 1988 in Pittsburgh, Pa., to Thomas and Cathleen Zierenberg...Has younger sister named Kate...Father also attended Penn State...Majoring in biobehavioral health.
ON CHOOSING PENN STATE
'I chose Penn State for the strong swimming program, excellent academics, and a great team and coaches.'