| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Alsop, Auden J (12)
|
MDMSC |
1:24.56 |
1:22.04 |
-2.52 |
| 2 |
Sanderson, Alec (12)
|
MDNAAC |
1:29.78 |
1:22.90 |
-6.88 |
| 3 |
Corson, Nolan F (12)
|
MDNAAC |
1:25.93 |
1:25.00 |
-0.93 |
| 4 |
Ott, Leo M (11)
|
MDMSC |
1:39.70 |
1:28.43 |
-11.27 |
| 5 |
Mbi, Kian (12)
|
MDCAA |
1:28.91 |
1:29.52 |
0.61 |
| 6 |
Darling, Aidan W (11)
|
MDSPY |
|
1:30.18 |
- |
| 7 |
Drucis, Gavin C (12)
|
MDNAAC |
1:32.30 |
1:32.03 |
-0.27 |
| 8 |
Seliger, Matthew J (11)
|
MDGBSA |
|
1:32.26 |
- |
| 9 |
Arocho, Benjamin A (12)
|
MDCAA |
1:45.01 |
1:35.58 |
-9.43 |
| 10 |
Zhang, Leon (11)
|
MDYCM |
1:38.40 |
1:35.71 |
-2.69 |
| 11 |
Smith, Samuel G (11)
|
MDUN |
|
1:37.92 |
- |
| 12 |
Butler, Neal A (11)
|
MDYCM |
1:33.62 |
1:40.63 |
7.01 |
| 13 |
Bott, Zachary D (12)
|
MDHOCO |
1:46.10 |
1:41.62 |
-4.48 |
| 14 |
Russo, Eric C (12)
|
MDYCM |
|
1:42.19 |
- |
| 15 |
Keogh, Timothy A (11)
|
MDCAA |
1:38.98 |
1:43.04 |
4.06 |
| 16 |
Williamson, Marcus N (11)
|
MDHOCO |
|
1:43.66 |
- |
| 17 |
Terry, Austin D (12)
|
MDCAA |
1:58.46 |
1:45.33 |
-13.13 |
| 18 |
Kelly, Jackson O (12)
|
MDSPY |
|
1:48.13 |
- |
| 19 |
Munns, Joshua P (11)
|
MDHOCO |
|
1:49.43 |
- |
| 20 |
Li, Ethan Q (12)
|
MDHOCO |
1:55.54 |
1:49.94 |
-5.60 |
| 21 |
Bickel, Evan J (12)
|
MDHOCO |
|
1:57.49 |
- |
| 22 |
Shapiro, Benjamin M (12)
|
MDJCC |
|
2:04.78 |
- |
| 23 |
Walden, Chandler E (11)
|
MDSPRC |
2:05.07 |
2:08.05 |
2.98 |
|
Wang, Arthur T (11)
|
MDCAA |
|
DQ |
- |
|
Gurri, Antonio D (11)
|
MDGBSA |
1:40.46 |
DQ |
- |
|
Shi, Jack (11)
|
MDYCM |
|
DQ |
- |
|
Ellenbecker, Benjamin C (12)
|
MDBAAC |
1:45.90 |
DQ |
- |
|
Shane, Alexander H (11)
|
MDHOCO |
|
NS |
- |