Career Honors
- Three-Time Pac-12 Academic Honor Roll
- Two-time CSCAA Scholar All-American (2022-23)
- Ranks 14th in the Stanford record book in 500 free (4:15.39)
Stanford Best Times
- 200 Free- 1:35.76
- 500 Free- 4:15.39
- 1,000 Free- 9:10.73
- 1,650 Free- 15:03.78
As a Senior (2022-23)
- Pac-12 Academic Honor Roll
- CSCAA Scholar All-American
- Scored points at the Pac-12 Championships in the 500 free (10th, 4:18.07), 1,650 free (13th, 15:18.03), and 200 free (16th, 1:36.74)
- Won two individual titles during the dual meet season, both in the 500 free
As a Junior (2021-22)
- Pac-12 Academic Honor Roll
- CSCAA Scholar All-American
- Swam the 14th-fastest 500 free in program history (4:15.39)
- Scored at the Pac-12 Championships in the 500 free (4:18.31) and 1,650 free (ninth, 15:08.15)
- Also finished 20th overall in the Pac-12 Championships in the 200 free (1:35.76)
As a Sophomore (2020-21)
- Pac-12 Academic Honor Roll
- Scored at the Pac-12 Championships in the 200 free (14th, 1:36.68), 500 free (11th, 4:19.02) and 1,650 free (14th, 15:27.75)
As a Freshman (2019-20)
- Scored at the Pac-12 Championships in the 1,650 free (12th, 15:11.66) and the 500 free (16th, 4:21.78)
- Swam B standards in the 500 free and 1,650 free
Prior to Stanford
- Prepped at Wellesley high school in Wellesley, Massachusetts
- Swam for Gator Swim Club (2009-19) at the club level
- New England Senior Champions (2015-16)
- USA Swimming Scholastic All-American (2016-18)
- Has trained at the United States Olympic Training Center in Colorado Springs
Personal
- Born in Newton, Massachusetts
- Son of Rosemary Murphy and Jan Pavel Matejka
- Has three brothers – Matthew, Benjamin and Owen
- Brother, Matthew, rowed at Yale
- Brother, Ben, is a member of the cross country and track and field teams at Dartmouth
- Contemplated profession in law