| Lane | # | Athlete | Team | Seed | Note |
|---|---|---|---|---|---|
| 3 | 440 | CHRISTENSEN, Violet | Langley Mustangs | NT | |
| 4 | 626 | RAHKOLA, Zada | Penticton Track & Field Club | 55.28 | |
| 5 | 524 | JONES, Eira | Vancouver Thunderbirds | 48.03 | |
| 6 | 426 | BRUNORO, Olivia | Langley Mustangs | 45.02 | |
| 7 | 675 | TAILLEFER, Eden | Ocean Athletics Track & Field Club | NT | |
| 8 | 598 | O'NEIL, Brooklyne | Universal Athletics Club | NT |