| 2018 Personal Bests | |
| Grace Buckland (10) | 18:53.3 |
| Ella Baryo (10) | 20:26.7 |
| Courtney Hughes (11) | 20:28.1 |
| Megan Schafer (11) | 20:41.8 |
| Ashley Witham (10) | 20:46.8 |
| Ainsley Vanderlaan (12) | 20:58.4 |
| Olivia Johnson (9) | 21:02.6 |
| Kelsey Kehren (11) | 21:18.1 |
| Elizabeth Gay-Verburg (11) | 21:46.4 |
| Sarah Padilla (12) | 21:49.8 |
| Adelin Patterson (9) | 22:12.1 |
| Jenna Hubbert (9) | 22:14.9 |
| Sharon Piedra-Vargas (12) | 22:25.4 |
| Natalie Wallas (11) | 22:46.1 |
| Melanie Vukovich (12) | 23:23.0 |
| Brenda Duchene (10) | 23:39.6 |
| Mia Scheel (12) | 24:11.8 |
| Emily Waybright (11) | 25:16.0 |
| Lauren Lorichon (10) | 25:26.0 |
| Carolina Magalhaes (12) | 25:59.2 |
| Kaitlyn Waldrop (10) | 26:21.5 |
| Lauren Petrie (11) | 26:21.5 |
| Emily Sochay (11) | 27:02.4 |
| Katarina Khachatryan (12) | 30:58.0 |
| Sabhi Sundaram (10) | 34:02.0 |
| Emily Shippey (12) | 37:31.0 |