| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Greene, Andrew E (14)
|
MDUN-M |
57.31 |
58.38 |
1.07 |
| 2 |
Gurri, Antonio D (15)
|
MDGBSA |
59.31 |
58.59 |
-0.72 |
| 3 |
Leboeuf, Robert F (15)
|
MDGBSA |
59.40 |
1:00.84 |
1.44 |
| 4 |
Seliger, Matthew J (15)
|
MDGBSA |
1:03.56 |
1:01.47 |
-2.09 |
| 5 |
Long, Adam M (17)
|
MDCCY |
1:00.72 |
1:03.46 |
2.74 |
| 6 |
Woldeselassie, Solomon A (15)
|
MDEST |
1:04.60 |
1:03.72 |
-0.88 |
| 7 |
Smith, Ethan D (12)
|
MDGBSA |
1:06.44 |
1:03.95 |
-2.49 |
| 8 |
Holc, Anthony S (15)
|
MDBCSC |
1:07.08 |
1:04.56 |
-2.52 |
| 9 |
Parhi, Tanush (14)
|
MDEST |
1:05.24 |
1:05.73 |
0.49 |
| 10 |
Gretes, James (17)
|
MDHOCO |
1:08.69 |
1:06.63 |
-2.06 |
| 11 |
Davis, Gailen V (15)
|
MDEST |
1:07.59 |
1:06.76 |
-0.83 |
| 12 |
Woods, Edmund B (18)
|
MDGBSA |
1:01.57 |
1:06.91 |
5.34 |
| 13 |
Guan, Robert Z (15)
|
MDGBSA |
1:06.46 |
1:07.09 |
0.63 |
| 14 |
Burk, Sean R (16)
|
MDCCY |
1:06.95 |
1:07.13 |
0.18 |
| 15 |
Abdurrahman, Saleh Z (15)
|
MDBCSC |
1:11.99 |
1:07.72 |
-4.27 |
| 16 |
Hardy, Joseph J (16)
|
MDGBSA |
1:07.62 |
1:08.13 |
0.51 |
| 17 |
Jiang, Jeff S (16)
|
MDCAA |
1:09.65 |
1:08.55 |
-1.10 |
| 18 |
Rotunda, Matthew K (12)
|
MDGBSA |
1:10.60 |
1:10.95 |
0.35 |
| 19 |
Woods, Jon M (18)
|
MDGBSA |
1:09.86 |
1:12.08 |
2.22 |
| 20 |
Rudolph, Matthew S (15)
|
MDCAA |
1:16.83 |
1:17.75 |
0.92 |
|
West, Benjamin M (18)
|
MDGBSA |
1:00.71 |
DQ |
- |
|
Kettering, John P (15)
|
MDHOCO |
1:03.40 |
NS |
- |
|
Cashman, Connor J (15)
|
MDEST |
1:05.07 |
NS |
- |
|
Wang, Arthur J (16)
|
MDCAA |
1:18.42 |
NS |
- |