| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Swope, Justin T (8)
|
MATHY |
46.09 |
44.40 |
-1.69 |
| 2 |
Walsh, Aidan P (8)
|
MADST |
49.83 |
47.58 |
-2.25 |
| 3 |
Roytman, Edward J (8)
|
MATHY |
47.97 |
48.96 |
0.99 |
| 4 |
Lewis, Brady P (8)
|
MADST |
53.10 |
49.59 |
-3.51 |
| 5 |
Ellsworth, Hunter E (8)
|
MDBAAC |
47.18 |
53.32 |
6.14 |
| 6 |
Sloan, David J (8)
|
MADST |
|
55.74 |
- |
| 7 |
Olszyk, Gabriel A (7)
|
MDBAAC |
|
57.19 |
- |
| 8 |
Kim, Victor S (6)
|
MDBAAC |
|
57.42 |
- |
| 9 |
Wickham, Zechariah B (8)
|
MDBAAC |
58.63 |
59.63 |
1.00 |
| 10 |
Faulkingham, Evan J (7)
|
MAMSA |
|
1:14.60 |
- |
| 11 |
Sloan, Reid P (7)
|
MADST |
|
1:19.74 |
- |
| 12 |
Gelak, Aidan A (4)
|
MAJRAY |
|
2:24.96 |
- |
|
Armstrong, Michael (8)
|
MADST |
|
DQ |
- |
|
Sun, Wika (6)
|
MADST |
|
DQ |
- |
|
Papadopoulos, Fotios S (5)
|
MATRI |
|
NS |
- |