| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Noble, Alexandra D (12)
|
NESSYS |
40.45 |
39.76 |
-0.69 |
| 2 |
Hoang, Logan I (12)
|
NEPVAA |
43.54 |
41.80 |
-1.74 |
| 3 |
Ma, Vivian (12)
|
NECRIM |
45.94 |
42.66 |
-3.28 |
| 4 |
Zhang, Zichen (12)
|
NEMTSC |
44.23 |
43.50 |
-0.73 |
| 5 |
Byrne, Amelia M (11)
|
NEWTST |
44.36 |
44.36 |
0.00 |
| 6 |
Tyrrell, Lucy A (11)
|
NEUSC |
55.49 |
44.67 |
-10.82 |
| 7 |
Tian, Cynthia Y (12)
|
NEATST |
46.96 |
45.60 |
-1.36 |
| 8 |
Lindblom, Rose M (12)
|
NESAIL |
53.67 |
46.20 |
-7.47 |
| 9 |
Gurung, Lilly S (12)
|
NECLIP |
47.76 |
46.44 |
-1.32 |
| 10 |
Qie, Andrea (11)
|
NEMTSC |
47.23 |
47.07 |
-0.16 |
| 11 |
Lanausse, Skyler M (11)
|
NEATST |
49.92 |
47.23 |
-2.69 |
| 12 |
Coleman, Serenity A (11)
|
NEWTST |
|
47.44 |
- |
| 13 |
Williams, Madeline I (11)
|
NEATST |
47.98 |
48.13 |
0.15 |
| 14 |
Sidhom, Sophie S (12)
|
NECRIM |
49.12 |
48.66 |
-0.46 |
| 15 |
Pena, Sophie G (12)
|
NECLIP |
49.76 |
48.82 |
-0.94 |
| 16 |
Humber, Emmalyn C (11)
|
NEHYV |
50.99 |
49.77 |
-1.22 |
| 17 |
Strebel, Izabella M (12)
|
NEPVAA |
|
50.33 |
- |
| 18 |
Ruan, Leann (12)
|
NESSYS |
|
50.50 |
- |
| 19 |
Ngo, Kayla N (11)
|
NESSYS |
|
51.29 |
- |
| 20 |
Williams, Nahla M (12)
|
NECLIP |
54.76 |
51.86 |
-2.90 |
| 21 |
Sides, Leela R (11)
|
NEEDGE |
1:18.98 |
54.60 |
-24.38 |
| 22 |
Anziano, Julianna Y (11)
|
NEPVAA |
55.14 |
54.75 |
-0.39 |
| 23 |
Gallagher, Grace M (11)
|
NEPVAA |
52.86 |
56.53 |
3.67 |
| 24 |
Benjamin, Kamryn-Lee N (11)
|
NEICMY |
1:02.09 |
56.70 |
-5.39 |
| 25 |
Workman, Ella S (11)
|
NEATST |
56.39 |
57.33 |
0.94 |
| 26 |
Wee, Elizabeth F (12)
|
NECRIM |
1:12.37 |
1:03.36 |
-9.01 |
| 27 |
Ritchie, Rachel B (11)
|
NEPVAA |
1:01.82 |
1:05.98 |
4.16 |
| 28 |
Drollett, Sophia R (11)
|
NECLIP |
1:12.76 |
1:09.67 |
-3.09 |
|
Gezotis, McKenzie M (11)
|
NEWTST |
1:04.87 |
NS |
- |
|
Ewell, Emma E (11)
|
NEATST |
|
NS |
- |