| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Flynn, Casey C (17)
|
NTMTRO |
54.22 |
54.33 |
0.11 |
| 2 |
Hodgkins, Dennis C (15)
|
NTMTRO |
53.82 |
55.35 |
1.53 |
| 3 |
Poulton, Andrew M (15)
|
NTMTRO |
57.78 |
56.47 |
-1.31 |
| 4 |
Morgan, Conner D (15)
|
NTMTRO |
57.11 |
57.34 |
0.23 |
| 5 |
Bervig, Colton A (16)
|
NTMTRO |
|
58.04 |
- |
| 6 |
Reagan, Sam A (16)
|
NTMTRO |
|
1:00.75 |
- |
| 7 |
Shalaby, Abdelrahman K (15)
|
NTMTRO |
|
1:01.01 |
- |
| 8 |
Dumlao, Dylan Edmund A (15)
|
NTMTRO |
1:03.38 |
1:01.41 |
-1.97 |
| 9 |
Liu, Eric R (15)
|
NTMTRO |
1:02.45 |
1:01.48 |
-0.97 |
| 10 |
Blaine, JonAustin M (16)
|
NTMTRO |
59.15 |
1:01.52 |
2.37 |
| 11 |
Go, Alexander Q (15)
|
NTMTRO |
1:03.99 |
1:02.49 |
-1.50 |
| 12 |
Fernaine, Michael J (15)
|
NTMTRO |
|
1:04.88 |
- |
|
Caretti, Bruno (17)
|
NTMTRO |
1:02.21 |
NS |
- |
|
Waller, Christopher A (21)
|
NTMTRO |
1:16.20 |
NS |
- |