| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kellerman, Jason F (10)
|
MDMAS |
44.29 |
44.64 |
0.35 |
| 2 |
Brazhnikov, Nicholas R (10)
|
MDMSC |
44.00 |
44.88 |
0.88 |
| 3 |
Fuller, Mason A (10)
|
MDSPRC |
50.11 |
47.71 |
-2.40 |
| 4 |
Ames, Declan C (10)
|
MDCGA |
47.61 |
48.64 |
1.03 |
| 5 |
Barrett, Courtney (9)
|
MDSPRC |
47.69 |
49.68 |
1.99 |
| 6 |
Lawson, Nicholas A (10)
|
MDMSC |
51.61 |
50.17 |
-1.44 |
| 7 |
Nguyen, Brandon H (10)
|
MDACA |
1:01.84 |
52.35 |
-9.49 |
| 8 |
Ellis, Ryan C (10)
|
MDMAS |
51.66 |
54.10 |
2.44 |
| 9 |
Kim, Victor S (7)
|
MDACA |
1:05.88 |
55.31 |
-10.57 |
| 10 |
Rittershofer, Colin J (10)
|
MDHSST |
|
59.49 |
- |
| 11 |
Burch, Noah S (10)
|
MDCGA |
58.52 |
1:02.21 |
3.69 |
| 12 |
Longo, James P (10)
|
MDHSST |
|
1:03.20 |
- |
| 13 |
McFarland, Ethan M (10)
|
MDCGA |
1:04.34 |
1:03.77 |
-0.57 |
| 14 |
Kirby, Tyler A (9)
|
MDHSST |
|
1:06.77 |
- |
| 15 |
Mantegna, Joshua M (9)
|
MDCGA |
|
1:15.76 |
- |
|
Huryn, Yaryk (9)
|
MDACA |
|
DQ |
- |
|
Telewoda, Joseph A (9)
|
MDMAS |
47.62 |
DQ |
- |
|
Heenan, Timothy S (10)
|
MDACA |
1:17.93 |
DQ |
- |