Career Bests
| Event | Time | Date | Competition |
| 100 Fly | 47.02 | 3/04/21 | Big Ten Championships |
| 200 Fly | 1:44.34 | 2/29/20 | Big Ten Championships |
| 200 IM | 1:48.33 | 2/28/19 | Big Ten Championships |
Career Accolades
- Scored at the Big Ten Championships in the 200 fly (2019, 20) and 100 fly (2020).
- Ranks as the second-fastest performer all-time at Penn State in the 200 fly (1:44.34).
- Ranks as the fourth-fastest performer all-time at Penn State in the 100 fly (47.46).
- Competed in the 2019 Phillips 66 Nationals.
- Academic All-Big Ten (2020).
- CSCAA Scholar All-America Honorable Mention (2020).
National
- Phillips 66 Nationals (2019): Swam an Olympic Trials cut and personal best in the 200m fly (2:01.08) and finished under the trials standard in the 100m fly (54.12).
2020-21 (Junior Year)
- Michigan State (2/5-2/6): Won the 100 fly (49.52) and earned two third place finishes in the 200 free (1:45.99) and 200 fly (1:59.62). Member of the winning 400 medley relay (3:17.28).
- at Ohio State (1/16): Won both the 100 fly (48.15) and 200 fly (1:47.42). Was also a member of the winning 200 medley relay (1:27.68) and 400 free relay teams (2:58.51).
2019-20 (Sophomore Year)
- Awards: CSCAA Scholar All-America Honorable Mention…Academic All-Big Ten.
- Big Ten Championships (2/26-2/29): Finished ninth and became the second-fastest performer in school history in the 200 fly (1:44.34)...Scored in the 100 fly with a personal-best time of 47.46...Member of the 800 free relay team that had a seventh-place finish (6:24.00) and ranks as the second-fastest in school history.
- St. Bonaventure (10/4): Placed third in the 100 free (46.72).
- West Virginia (10/11): Won the 200 fly (1:48.53).
- Ohio State/Virginia Tech (11/1-11/2): Placed fourth in the 100 fly (48.85) and 200 fly (1:49.75).
- at Bloomsburg (1/17): Finished second in the 100 fly (49.74) and third in the 200 IM (1:53.92).
- Villanova (1/31): Won the 200 free (1:42.20)...Placed third in the 200 fly (1:56.87).
2018-19 (Freshman Year)
- Big Ten Championships (2/27-3/2): Scored in the 200 fly (11th, 1:45.01) with season-best and NCAA B-cut time. Also set bests in the 100 fly (48.19) and 200 IM (1:48.33).
- Virginia (10/6): Placed second in the 100 fly (50.49).
- George Washington (10/12): Won the 100 fly (50.66).
- West Virginia (1/18): Placed third in the 200 fly (1:52.17).
High School
- Was a five-year varsity swimmer at Saratoga Springs H.S. under head coach Bill Asay.
- Two-year team captain.
- State champion in the 200 freestyle as a junior.
- Named the 2017 Times Union Swimming Athlete of the Year.
- Set school records in the 200 free (1:38.62), 100 fly (49.68), 200 IM (1:51.51) and 100 back (53.10).
- Also swam for Schenectady Saratoga Swim Club.
- Two-time C-finalist in the 100 and 200 fly at the 2017 Long Course Junior National Championships.
- Participated in Winter Junior Nationals in 2017.
- Runner-up in the 200 fly at the 2017 Eastern Speedo Sectionals Championships.
Personal
- Full name is Zachary Zwijacz.
- Son of Cheryl and Marc Zwijacz.
- Mother, Cheryl, swam at SUNY Cortland.
- Has a younger sister Alexei and an older half-sister Sarah.
- Hobbies include hiking, skateboarding, fashion and clothes.
- Majoring in communications.
- Born February 5, 2000 in Saratoga Springs, New York