| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hughes, Jonathan D (12)
|
MAUN1 |
1:08.77 |
1:10.75 |
1.98 |
| 2 |
Lauterbach, Sidney L (12)
|
MDNBAC |
1:17.71 |
1:14.20 |
-3.51 |
| 3 |
Branon, Daniel J (11)
|
MDNBAC |
1:16.96 |
1:15.47 |
-1.49 |
| 4 |
Lakatta, Charles M (11)
|
MDNBAC |
1:18.24 |
1:17.43 |
-0.81 |
| 5 |
Huggins, Samuel L (12)
|
MANLAC |
1:21.74 |
1:18.33 |
-3.41 |
| 6 |
Jennings, Julian E (12)
|
MDNBAC |
1:22.56 |
1:20.95 |
-1.61 |
| 7 |
McQuaid, Liam H (12)
|
MDNBAC |
1:24.30 |
1:21.93 |
-2.37 |
| 8 |
Ellsworth, Hunter E (11)
|
MDNBAC |
1:21.52 |
1:22.65 |
1.13 |
| 9 |
Flemister, Elkanah D (11)
|
MAYY |
1:26.74 |
1:25.84 |
-0.90 |
| 10 |
Kotov, Mark A (11)
|
MDNBAC |
1:29.44 |
1:27.50 |
-1.94 |
| 11 |
Reed, Richard W (11)
|
MDNBAC |
1:28.01 |
1:28.34 |
0.33 |
| 12 |
Seitz, Joshua L (12)
|
MAYY |
1:34.65 |
1:29.31 |
-5.34 |
| 13 |
Boppana, Eshan (11)
|
MDNBAC |
1:28.88 |
1:30.00 |
1.12 |
| 14 |
Romyn, Alexander J (11)
|
MAYY |
1:37.34 |
1:34.92 |
-2.42 |
| 15 |
Layton, Max C (11)
|
MDNBAC |
1:44.35 |
1:41.82 |
-2.53 |
| 16 |
Garner, Ethan J (11)
|
MDNBAC |
1:44.65 |
1:45.44 |
0.79 |
| 17 |
Radday, Jude R (11)
|
MDNBAC |
2:00.01 |
1:55.27 |
-4.74 |
|
Shedwick, Benjamin A (12)
|
MDNBAC |
1:25.58 |
DQ |
- |
|
Pell-Gibson, Hudson J (11)
|
MANLAC |
1:38.35 |
NS |
- |