| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Williams, Erik D (18)
|
MASAKA |
1:05.67 |
1:05.10 |
-0.57 |
| 2 |
Hearn, Harry E (16)
|
MASAKA |
1:06.91 |
1:07.84 |
0.93 |
| 3 |
Grigoryev, Daniel (15)
|
MDJCC |
1:08.58 |
1:08.77 |
0.19 |
| 4 |
Wilbur, John C (17)
|
PVRMSC |
1:13.20 |
1:10.33 |
-2.87 |
| 5 |
Ventura, Timmy J (15)
|
MAYY |
1:11.35 |
1:11.25 |
-0.10 |
| 6 |
Bingaman, Jasen L (15)
|
MAYY |
1:14.76 |
1:13.32 |
-1.44 |
| 7 |
Woldeselassie, Solomon A (15)
|
MDEST |
1:15.55 |
1:14.10 |
-1.45 |
| 8 |
Greigg, Daniel (17)
|
PVRMSC |
1:15.80 |
1:14.18 |
-1.62 |
| 9 |
Halls, Sean C (15)
|
MRNFS |
1:15.31 |
1:14.42 |
-0.89 |
| 10 |
Xu, James P (15)
|
PVDRAG |
1:12.04 |
1:15.13 |
3.09 |
| 11 |
Turner, Ethan P (17)
|
PVRMSC |
1:16.80 |
1:15.39 |
-1.41 |
| 12 |
Wilbur, Eric J (16)
|
PVRMSC |
1:20.52 |
1:18.73 |
-1.79 |
| 13 |
Mohr, Silas A (17)
|
MASAKA |
|
1:20.65 |
- |
| 14 |
Abdurrahman, Saleh Z (15)
|
MDBCSC |
1:24.73 |
1:22.93 |
-1.80 |
| 15 |
Jones, Chase (12)
|
PVRMSC |
1:28.04 |
1:25.79 |
-2.25 |
| 16 |
Long, Jack R (15)
|
MDEST |
1:31.64 |
1:26.44 |
-5.20 |
| 17 |
Meier, Carl J (12)
|
MDEST |
1:24.39 |
1:27.84 |
3.45 |
| 18 |
Brown, Christion J (16)
|
MDEST |
1:21.10 |
1:28.44 |
7.34 |
| 19 |
Olenec, Callum A (11)
|
MDSPRC |
1:35.04 |
1:33.26 |
-1.78 |
| 20 |
Lee, Ian N (15)
|
MDBCSC |
1:39.85 |
1:40.35 |
0.50 |
|
Abiy, Nolawi A (9)
|
MDCAA |
1:47.08 |
DNF |
-107.08 |
|
Crow, Jamison D (18)
|
PVRMSC |
1:10.37 |
NS |
- |
|
Morales, Brian A (15)
|
MASAKA |
1:29.22 |
NS |
- |