| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Vance, David A (12)
|
MDFSC |
1:20.53 |
1:16.33 |
-4.20 |
| 2 |
Marston, Samuel A (12)
|
MDFSC |
|
1:17.10 |
- |
| 3 |
Yang, Austin J (11)
|
MDFSC |
1:19.07 |
1:19.08 |
0.01 |
| 4 |
Elster, Fiona G (12)
|
PVRY |
1:20.15 |
1:21.09 |
0.94 |
| 5 |
Gallagher, Annabella R (10)
|
MDFSC |
1:21.82 |
1:21.14 |
-0.68 |
| 6 |
Conley, Richard P (11)
|
MDMAS |
1:32.64 |
1:22.03 |
-10.61 |
| 7 |
Munro, Charlotte G (12)
|
PVRY |
1:22.49 |
1:22.99 |
0.50 |
| 8 |
Schwartz, Ari N (10)
|
MDFSC |
1:26.62 |
1:23.34 |
-3.28 |
| 9 |
Yepsen, Patrick E (12)
|
MDMAS |
1:18.97 |
1:23.51 |
4.54 |
| 10 |
Grimm, Colin A (11)
|
MDMAS |
|
1:30.10 |
- |
| 11 |
O'Brien, Tadhg S (9)
|
MDFSC |
1:27.51 |
1:30.66 |
3.15 |
| 12 |
Rhee, Emmalyn G (10)
|
MDFSC |
1:33.70 |
1:33.71 |
0.01 |
| 13 |
Agusto-Cox, Katerina A (10)
|
MDFSC |
1:33.88 |
1:34.67 |
0.79 |
| 14 |
Martini, Charlie Grace M (11)
|
MDGBSA |
1:36.63 |
1:35.19 |
-1.44 |
| 15 |
Smith, Jackson T (8)
|
MDFSC |
1:54.32 |
1:53.03 |
-1.29 |
| 16 |
Rampersad, Alexander B (9)
|
MDMAS |
|
1:53.38 |
- |
| 17 |
Smith, Aubrey D (10)
|
MDJCC |
|
2:08.35 |
- |
| 18 |
Cummins, Clare E (9)
|
MDFSC |
2:18.79 |
2:22.72 |
3.93 |
| 19 |
Lack, Evie G (8)
|
MDFSC |
2:25.89 |
2:28.05 |
2.16 |
| 20 |
Edgar Abal, Oliver M (8)
|
MDFSC |
|
2:42.12 |
- |
|
Rhee, Colin J (8)
|
MDFSC |
1:44.22 |
DQ |
- |
|
Winn, Bennett J (10)
|
MDFSC |
|
DQ |
- |
|
Winn, Joshua T (12)
|
MDFSC |
1:38.85 |
DQ |
- |