| 1 | Melissa Dahlmann (M40) | USA | 46.06 | | - |
| 2 | Keeley Whitcomb (B1) | USA | 47.03 | | +0.970 |
| 3 | Elena Stave (C1) | USA | 47.70 | | +1.640 |
| 4 | Elise Stave (B1) | USA | 47.81 | | +1.750 |
| 5 | Lindsey Grafstrom (Senior) | USA | 50.57 | | +4.510 |
| 6 | Valery Molinares Rodriguez (D2) | USA | 50.72 | | +4.660 |
| 7 | Hazel Joyer (D1) | USA | 55.52 | SB | +9.460 |
| 8 | Kassidy González Mcglauchlen (C1) | USA | 57.04 | | +10.980 |
| 9 | Libby Anderson (D2) | USA | 57.88 | | +11.820 |
| 10 | Alice Chamberlain (E1) | USA | 58.43 | SB | +12.370 |
| 11 | Beatrix Mak (E2) | USA | 1:12.28 | | +26.220 |
| 12 | Suzan Klein (n/a) | USA | 1:14.12 | SB | +28.060 |
| 13 | Luciana Molinares Rodriguez (F2) | USA | 1:14.49 | | +28.430 |
| 14 | Katrina Bjergaard (E2) | USA | 1:18.24 | | +32.180 |
| 15 | Julie Dahllmeyer (n/a) | USA | 1:20.87 | PB | +34.810 |
| 16 | Saehee Lippert (n/a) | USA | 1:26.43 | SB | +40.370 |
| 17 | Madeline Stoffel (n/a) | USA | 1:27.41 | PB | +41.350 |
| 18 | Savannah Bjergaard (n/a) | USA | 1:35.00 | SB | +48.940 |
| 19 | Evangeline Milles (F1) | USA | 1:39.90 | SB | +53.840 |