| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Thomas, Yaseen A (17)
|
MASERP |
49.76 |
50.66 |
0.90 |
| 2 |
Palau, Ian T (16)
|
MAUN |
52.24 |
51.35 |
-0.89 |
| 3 |
Keenan, Sean E (15)
|
MAGAAC |
|
54.37 |
- |
| 4 |
Brown, Terrence (17)
|
MASERP |
54.19 |
55.15 |
0.96 |
| 5 |
Holden, Marquis I (15)
|
MASERP |
53.56 |
55.36 |
1.80 |
| 6 |
Peterson, JB (15)
|
MARAYS |
53.89 |
55.62 |
1.73 |
| 7 |
Anderson, Zachary N (15)
|
MARAYS |
57.20 |
56.72 |
-0.48 |
| 8 |
Myatt-Knox, Hosni E (16)
|
MASERP |
59.65 |
1:00.09 |
0.44 |
|
Cardamone, Michael J (17)
|
MAGAAC |
|
NS |
- |
|
Brown, Sultan M (15)
|
MASERP |
56.63 |
NS |
- |
|
Coleman, Cameron M (16)
|
MASERP |
1:07.36 |
NS |
- |