| | Kaitlynn Martin | Paul Dwyer (Oshawa) | NT | 10:54.22 | 10 | |
| 39.8124(39.8124) | 2:05.5524(1:25.7400) | 3:33.0314(1:27.4790) | 5:00.3064(1:27.2750) | 6:28.5834(1:28.2770) | 7:57.7864(1:29.2030) | 9:27.6744(1:29.8880) | 10:54.2144(1:26.5400) |
|
| | Hayley Martin | Paul Dwyer (Oshawa) | 10:40.83 | 10:54.23 | 8 | |
| 40.1014(40.1014) | 2:05.4284(1:25.3270) | 3:33.2734(1:27.8450) | 5:00.1644(1:26.8910) | 6:28.8494(1:28.6850) | 7:57.6224(1:28.7730) | 9:27.5104(1:29.8880) | 10:54.2254(1:26.7150) |
|
| | Kaiya Fujioka | Brooklin (Brooklin) | 11:22.67 | 11:06.88 | 6 | |
| 41.0794(41.0794) | 2:06.1514(1:25.0720) | 3:33.7624(1:27.6110) | 5:01.2144(1:27.4520) | 6:30.0494(1:28.8350) | 8:01.0604(1:31.0110) | 9:34.3624(1:33.3020) | 11:06.8804(1:32.5180) |
|
| | Jasmin Stagg | All Saints (Whitby) | 12:54.27 | 12:52.05 | 5 | |
| 42.7794(42.7794) | 2:21.6074(1:38.8280) | 4:04.3634(1:42.7560) | 5:49.0804(1:44.7170) | 7:37.7554(1:48.6750) | 9:29.9134(1:52.1580) | 11:20.0224(1:50.1090) | 12:52.0444(1:32.0220) |
|
| | Mariya Cole | Maxwell Heights (Oshawa) | 13:18.98 | 13:05.56 | 4 | |
| 43.0634(43.0634) | 2:21.1344(1:38.0710) | 4:05.8844(1:44.7500) | 5:52.9264(1:47.0420) | 7:42.3594(1:49.4330) | 9:33.6624(1:51.3030) | 11:25.0814(1:51.4190) | 13:05.5514(1:40.4700) |
|
| | Makayla Davidson | Bowmanville (Bowmanville) | 13:06.65 | 13:06.34 | 3 | |
| 44.6584(44.6584) | 2:25.3004(1:40.6420) | 4:11.1984(1:45.8980) | 6:01.4114(1:50.2130) | 7:47.2844(1:45.8730) | 9:35.9324(1:48.6480) | 11:25.7574(1:49.8250) | 13:06.3334(1:40.5760) |
|
| | Sarah Orsag | All Saints (Whitby) | 13:48.38 | 13:47.18 | 2 | |
| 43.8194(43.8194) | 2:22.8344(1:39.0150) | 4:09.4454(1:46.6110) | 6:01.7234(1:52.2780) | 7:56.4814(1:54.7580) | 9:53.3644(1:56.8830) | 11:55.1104(2:01.7460) | 13:47.1734(1:52.0630) |
|
| | Emily Cyre | Pine Ridge (Pickering) | 14:20.00 | 14:19.76 | 1 | |
| 45.1604(45.1604) | 2:23.9854(1:38.8250) | 4:10.6334(1:46.6480) | 6:02.8604(1:52.2270) | 8:04.5934(2:01.7330) | 10:12.5264(2:07.9330) | 12:20.3644(2:07.8380) | 14:19.7534(1:59.3890) |
|
| | Jacquelynn Etcher-Tate | Pine Ridge (Pickering) | 14:35.00 | 15:43.90 | | |
| 45.7904(45.7904) | 2:29.1654(1:43.3750) | 4:30.0084(2:00.8430) | 6:42.0404(2:12.0320) | 8:58.0234(2:15.9830) | 11:15.1304(2:17.1070) | 13:29.4024(2:14.2720) | 15:43.8944(2:14.4920) |
|
| | Cassie Savoie Teruel | Holy Trinity (Courtice) | 14:02.08 | DNS | | |
| | Justine Choo-Wing | All Saints (Whitby) | 15:39.73 | DNS | | |
