| Rank | Name | Time/Score | Start | Year |
|---|---|---|---|---|
| 1 | Tim Wynter '14 | AASCH 48.73 | F | 2014 |
| 2 | Sam Donchi '20 | AA 49.54 | F | 2020 |
| 3 | Jack Warden '19 | 50.01 | F | 2019 |
| 4 | Neil Simpson '19 | 51.42 | F | 2019 |
| 5 | T.J. Durkin '99 | AASCH 51.44 | F | 1999 |
| 6 | Robert Hill '91 | AASCH 51.72 | F | 1991 |
| 7 | Conor Deveney '11 | 52.09 | F | 2011 |
| 8 | Joe Faller '14 | 52.36 | F | 2013 |
| 9 | Derrick Choi '12 | 52.52 | F | 2011 |
| 10 | Marcel Liu '23 | JR 53.16 | F | 2020 |
| 11 | Brian Fiske '03 | 53.20 | F | 2002 |
| 12 | Lance Freiman '19 | 53.37 | F | 2019 |
| 13 | Mark List '74 | AASCH 53.40 | F | 1974 |
| 14 | Eric Benca '12 | 53.79 | F | 2012 |
| 15 | Marcus Lee '21 | 53.80 | F | 2018 |
| 16 | Brandon Garcia '20 | 53.82 | F | 2020 |
| 17 | Alexander Kazickas '72 | AASCH 53.90 | F | 1972 |
| 18 | Brendan Deveney '09 | 54.12 | F | 2009 |
| 19 | Nate Smith '18 | 54.16 | F | 2018 |
| 20 | Richard Zhong '17 | 54.20 | F | 2014 |
| 21 | Charlee Van Eijk '14 | 54.25 | F | 2014 |
| 22 | Arnold Su '20 | 54.35 | F | 2020 |
| 23 | Michael Preston '05 | 54.51 | F | 2005 |
| 24 | John Kingery '75 | AA 54.60 | F | 1975 |
| 25 | Darren Ty '16 | 54.86 | F | 2014 |