COLLEGIATE BESTS:
| Event | Time | Date | Site/Opponent |
| 50 Free | 20.13 | 11/21/24 | Ohio State Invitational |
| 100 Free | 44.45 | 11/23/24 | Ohio State Invitational |
| 50 Back | 20.88 | 3/25/26 | NCAA Championships |
| 100 Back | 44.98 | 2/27/26 | Big Ten Championships |
| 200 Back | 1:44.07 | 3/2/24 | Big Ten Championships |
| 50 Fly | 20.94 | 2/26/26 | Big Ten Championships |
| 100 Fly | 45.19 | 2/26/26 | Big Ten Championships |
| 200 IM | 1:43.17 | 2/28/26 | Big Ten Championships |
Career Records/Notables: Set PSU record in the 200 IM (1:43.17)…Ranks third all-time at PSU in the 100 Backstroke (44.98) and 100 Butterfly (45.19)…Helped to post PSU’s fastest time in the 400 Medley Relay (3:04.13) and PSU’s second-best time in the 200 Medley Relay (1:23.05) and fourth-best time in the 200 Freestyle Relay (1:17.26).
2025-26 (Senior) -
Awards: Earned Academic All-Big Ten honors…Named CSCAA Scholar All-American.
Meet-By-Meet: St. Bonaventure (10/9): Earned a win in the 100 Butterfly (48.19) and placed second in the 100 Backstroke (46.83)…Helped PSU to a win in the 200 Medley Relay (1:25.69). Yale (10/18): Picked up a victory in the 100 Backstroke (45.72) and finished second in the 100 Butterfly (46.71)…Aided PSU to wins in the 400 Medley Relay (3:06.82) and 200 Freestyle Relay (1:19.37). at Pitt (10/25): Recorded a second-place finish in the 100 Backstroke (47.62). at Army (11/7): Tallied a win in the 100 Butterfly (46.7) and placed third in the 100 Backstroke (47.06)…Helped PSU to wins in the 200 Medley Relay (1:24.37) and 400 Freestyle Relay (2:53.18). at Ohio State Invitational (11/18-21): Placed fifth in the 100 Backstroke (45.74) and 100 Butterfly (45.45)…Helped PSU to finish second in the 200 Medley Relay (1:23.05), third in the 400 Medley Relay (3:04.13), fifth in the 200 Freestyle Relay (1:17.26) and ninth in the 400 Freestyle Relay (2:53.44). at Princeton (1/24): Finished third in the 100 Backstroke (47.78) and 100 Butterfly (48.18). at West Virginia (1/30): Won the 100 Butterfly (47.13) and took second in the 100 Backstroke (47.94)...Helped PSU to win the 200 Freestyle Relay (1:20.15). George Washington (1/31): Captured wins in the 100 Backstroke (46.22) and 100 Butterfly (46.49)…Aided Penn State to a win in the 200 Medley Relay (1:25.56). Big Ten Championships (2/25-28): Placed fifth in the 100 Backstroke (44.98), ninth in the 100 Butterfly (45.19) and 20th in the 200 IM (1:43.17). NCAA Championships (3/25-28): Helped PSU to finish 19th in the 200 Medley Relay (1:23.28) and 24th in the 400 Medley Relay (3:05.71).
2024/25 (Junior):
- Navy (10/4): Touched third in the 100 Free with a 45.51, and in the 100 Back with a 49.10. Contributed to a first place finish in the 400 Free relay, and a third place finish in the 200 Medley relay.
- Pitt (10/25-26): Contributed to first place finishes in the 400 and 200 Medley relay teams. Added a fourth place finish in the 200 IM.
- Ohio State (11/8): Touched third in the 100 Back with a 47.20. Helped the 200 Medley relay to a first place finish, and the 400 Free relay to a second place finish.
- Ohio State Invitational (11/21-23): Contributed to a fourth place finish in the 200 Medley relay with a 1:24.69, while tallying a fifth place finish in the 100 Back finals with a 47.20, after swimming for a personal best time of 46.21 in the preliminary competition.
- Northwestern/U. Chicago (1/11): Helped the 200 Medley relay team to a first place finish, and a second place finish the 400 Free relay. Touched fourth in the 100 Back.
- Virginia Tech/Princeton (1/18): Contributed to a second place finish in the 200 Medley relay.
- Army (1/31): Finished second in the 100 Back with a 46.76, and in the 100 Fly with a 46.90, and contributed to a first place finish in the 200 Free relay.
- West Virginia (2/1): Touched first in the 100 Fly with a 46.57, and contributed to a second place finish in the 400 Free relay.
2023-24 (Sophomore Year):
- Awards: Academic All-Big Ten
- St. Bonaventure (9/30): Helped the 200 Medley relay team to a second place finish with a time of 1:30.31. Finished second in the 100 Back with a time of 49.29. Touched first in the 200 Back with a time of 1:50.18, and the 200 IM with a 1:51.08, a personal best.
- Army (1/12): Helped his relay team to a third place finish with a time of 1:22.04.
- Virginia Tech/Princeton (1/20): Finished third in the 200 Back with a time of 1:46.61.
- Villanova (2/2): Helped the 400 Medley relay team to a second place finish with a time of 3:24.62. Touched first in the 100 Butterfly with a time of 48.88.
- Big Ten Championship (2/28-3/2): Helped his team to a second place finish with a time of 1:22.93 in the 200 Medley, the fastest time in Penn State history. Posted a third place finish and an NCAA B Cut time in the 400 Medley with a time of 3:05.06. Recorded a personal-best time of 46.61 in the 100 Fly. Tallied another personal best time of 46.85 in the 100 Back.
- NCAA Championships (3/30): Competed in both the 200 Medley and the 400 Medley.
2022-23 (Freshman Year):
- Blue/White Intrasquad Meet (9/16): Won the 200 Medley Relay at 1:33.31.
- NC State Invitational (11/15-18): Swam the 100 Fly at 49.52 and the 100 Back at 49.77 on the first day of competition. Swam the 200 Back C-Final at 1:48.43.
- Villanova (1/27): Won the 200 IM at 1:54.00.
- Big Ten Championship (2/22-25): Swam the 100 Back at 48.24.
High School
Bittner swam for Cy-Fair High School under the coaching of Hannah Doré. During his four years at Cy-Fair, Bittner broke an individual record for the 100 Back as well as achieving All-American honors. He graduated Summa Cum Laude and was a member of the National Honors Society.
Personal
Matthew and his brother Daniel are the son of Rick and Ee-oon Bittner. Before attending Penn State, Bittner swam for Fleet (2006-2018) then Swim Streamline at Northampton (2018-2022). In 2021, his team placed ninth at the 2021 NCSA Championship.