| Results - 1/4 Finals | |||||||||||
| Heat | Rank | Bike | Name | NOC | Gate | Start | Turn_1 | Turn_2 | Turn_3 | Time | Mark |
| 1 | 1 | 11 | WILLOUGHBY Alise | USA | 1 | 2.692 | 6.859 | 15.450 | 23.161 | 30.875 | Q |
| 1 | 2 | 156 | AZUERO Domenica | ECU | 6 | 2.774 | 7.098 | 15.872 | 23.926 | 31.985 | Q |
| 1 | 3 | 971 | VALENTINO Manon | FRA | 2 | 2.767 | 7.073 | 15.999 | 24.097 | 32.216 | Q |
| 1 | 4 | 777 | MAIRE Camille | FRA | 5 | 2.753 | 7.030 | 16.165 | 24.413 | 32.473 | Q |
| 1 | 5 | 132 | CLAESSENS Zoe | SUI | 3 | 2.853 | 7.914 | 18.426 | 26.757 | 34.808 | |
| 1 | 6 | 128 | SMITH Jessie | NZL | 4 | 2.929 | 7.404 | 26.443 | 35.666 | 44.314 | |
| 1 | 7 | 134 | DONZALLAZ Eloise | SUI | 7 | 3.009 | 7.784 | 28.225 | 37.863 | 47.400 | |
| 1 | 8 | 101 | BOLLE CARRILLO Gabriela | COL | 8 | 2.793 | 7.221 | DNF | |||
| 2 | 1 | 3 | BAAUW Judy | NED | 1 | 2.748 | 7.010 | 15.854 | 23.775 | 31.479 | Q |
| 2 | 2 | 116 | AFREMOVA Natalia | RUS | 2 | 2.761 | 7.086 | 16.033 | 24.089 | 31.830 | Q |
| 2 | 3 | 53 | PRIES Nadja | GER | 5 | 2.784 | 7.109 | 16.314 | 24.648 | 32.764 | Q |
| 2 | 4 | 75 | VAN BENTHEM Merle | NED | 3 | 2.769 | 7.045 | 16.164 | 24.578 | 32.787 | Q |
| 2 | 5 | 62 | VON NIEDERHAUSERN Christa | SUI | 6 | 2.839 | 7.318 | 16.616 | 24.891 | 32.974 | |
| 2 | 6 | 107 | JOUTEAU Emma | FRA | 8 | 2.885 | 7.419 | 16.920 | 25.251 | 33.262 | |
| 2 | 7 | 308 | PETCH Rebecca | NZL | 7 | 2.948 | 8.025 | 17.985 | 26.733 | 35.502 | |
| 2 | 8 | 93 | STEVAUX CARNAVAL Priscilla Andreia | BRA | 4 | 2.810 | 7.465 | DNF | |||
| 3 | 1 | 96 | WALKER Sarah | NZL | 4 | 2.727 | 6.946 | 15.639 | 23.676 | 31.547 | Q |
| 3 | 2 | 23 | STANCIL Felicia | USA | 7 | 2.754 | 6.901 | 16.027 | 24.086 | 32.001 | Q |
| 3 | 3 | 49 | TUCHSCHERER Daina | CAN | 8 | 2.845 | 7.420 | 16.601 | 25.097 | 33.759 | Q |
| 3 | 4 | 109 | FEATHERSTONE Ellie | GBR | 5 | 2.904 | 7.893 | 17.519 | 25.858 | 34.348 | Q |
| 3 | 5 | 108 | MARTINEZ Tessa | FRA | 6 | 2.836 | 7.403 | 16.370 | 24.460 | 56.837 | |
| 3 | 6 | 911 | SHRIEVER Bethany | GBR | 3 | 2.776 | 7.740 | 22.522 | 37.908 | 1:01.440 | |
| 3 | 7 | 5 | CHRISTENSEN Simone Tetsche | DEN | 1 | 2.737 | 6.975 | 17.088 | 25.229 | 1:05.589 | |
| 3 | 8 | 21 | REYNOLDS Lauren | AUS | 2 | 2.752 | 7.167 | 16.411 | 24.525 | REL | |
| 4 | 1 | 1 | SMULDERS Laura | NED | 2 | 2.720 | 6.907 | 15.408 | 23.323 | 30.761 | Q |
| 4 | 2 | 29 | HUISMAN Ruby | NED | 1 | 2.755 | 7.145 | 15.771 | 23.841 | 31.586 | Q |
| 4 | 3 | 117 | TANNO Kanami | JPN | 4 | 2.930 | 7.399 | 16.114 | 24.105 | 31.954 | Q |
| 4 | 4 | 99 | GEORGE Danielle | USA | 7 | 2.743 | 7.104 | 16.544 | 24.592 | 32.381 | Q |
| 4 | 5 | 100 | PAJON Mariana | COL | 6 | 2.785 | 7.486 | 16.950 | 24.839 | 32.479 | |
| 4 | 6 | 36 | BULDINSKA Vanesa | LAT | 8 | 2.820 | 7.199 | 17.360 | 25.623 | 33.768 | |
| 4 | 7 | 300 | ALVES DOS SANTOS Julia | BRA | 5 | 2.747 | 7.620 | 17.421 | 26.009 | 34.374 | |
| 4 | 8 | 78 | REIS SANTOS Paola | BRA | 3 | 2.780 | 7.117 | 19.852 | 29.140 | 37.609 | |