9.175km 320m
| Pos | No. | Name | Club | Age Class | Time | Behind |
|---|---|---|---|---|---|---|
| 1st | 505 | Jo Shepherd | INVOC | W21 | 73:13 | |
| 2nd | 523 | Delphine Poirot | HVO | W21 | 75:32 | +2:19 |
| 3rd | 501 | Jessica Tullie | BASOC | W21 | 75:51 | +2:38 |
| 4th | 504 | Charlotte Watson | WCOC | W21 | 76:14 | +3:01 |
| 5th | 524 | Anwen Darlington | FVO | W21 | 78:01 | +4:48 |
| 6th | 506 | Kim Baxter | SYO | W40 | 81:31 | +8:18 |
| 7th | 515 | Chloe Haines | AROS | W21 | 83:47 | +10:34 |
| 8th | 502 | Megan Carter-Davies | MWOC | W21 | 84:05 | +10:52 |
| 9th | 998 | Claire Ward | PRERUN | 85:23 | +12:10 | |
| 10th | 509 | Katie Reynolds | SBOC | W21 | 90:15 | +17:02 |
| 11th | 510 | Aislinn Prendergast | SYO | W21 | 90:31 | +17:18 |
| Championship time 91:31 | ||||||
| 12th | 508 | Sarah Jones | EUOC | W21 | 93:50 | +20:37 |
| Gold time 93:53 | ||||||
| 13th | 513 | Hazel Wright | MAROC | W21 | 94:53 | +21:40 |
| 14th | 507 | Cecilie Andersen | BOK | W21 | 95:53 | +22:40 |
| 15th | 511 | Frances Wright | MAROC | W21 | 97:28 | +24:15 |
| 16th | 519 | Anne Edwards | TVOC | W21 | 97:29 | +24:16 |
| 17th | 517 | Katrina McLeod | GRAMP | W21 | 98:45 | +25:32 |
| 18th | 514 | Rona Lindsay | ESOC | W21 | 99:15 | +26:02 |
| 19th | 516 | Kirsten Strain | AROS | W21 | 100:02 | +26:49 |
| 20th | 525 | Florence Haines | AROS | W21 | 100:14 | +27:01 |
| 21st | 521 | Mary Fleming | SYO | W21 | 111:36 | +38:23 |
| 22nd | 526 | Helen Gardner | TVOC | W21 | 111:45 | +38:32 |
| 23rd | 530 | Kayla Fairbairn | EUOC | W21 | 112:16 | +39:03 |
| Silver time 112:39 | ||||||
| 24th | 520 | Alison Campbell | BASOC | W21 | 123:48 | +50:35 |
| 25th | 522 | Zuzana Strakova | DRONGO | W21 | 134:06 | +60:53 |
| Bronze time 150:12 | ||||||
| 527 | Briony Kincaid | EUOC | W21 | m8 | ||
| 518 | Abigail Kerr | LOC | W21 | m13-17 | ||