| Class Pos'n | Name | Club | Age Class | Bib | Time | Behind | Message |
|---|---|---|---|---|---|---|---|
| 1st | Grace Molloy | FVO | W20 | 289 | 15:49 | ||
| 2nd | Fiona Bunn | TVOC | W20 | 208 | 16:03 | 00:14 | |
| 3rd | Laura King | EUOC | W20 | 266 | 16:54 | 01:05 | |
| 4th | Niamh Hunter | WCOC | W20 | 259 | 17:35 | 01:46 | |
| 5th | Tara Schwarze Chintapatla | EUOC | W20 | 314 | 18:04 | 02:15 | |
| 6th | Emma Wilson | EUOC | W20 | 344 | 18:09 | 02:20 | |
| 7th | India James | AUCKLA | W20 | 350 | 18:46 | 02:57 | |
| 8th | Emer Perkins | UCDO | W20 | 306 | 18:47 | 02:58 | |
| 9th | Ellie Bales | POTOC | W20 | 193 | 20:02 | 04:13 | |
| 10th | Clare Stansfield | FVO | W20 | 325 | 20:10 | 04:21 | |
| 11th | Eadaoin McCavana | UCDO | W20 | 282 | 20:13 | 04:24 | |
| =11th | Lindsay Robertson | EUOC | W20 | 312 | 20:13 | 04:24 | |
| 13th | Kathryn Barr | UCDO | W20 | 195 | 20:19 | 04:30 | |
| 14th | Hannah Hateley | DEE | W20 | 251 | 20:25 | 04:36 | |
| 15th | Clodagh Moran | 3ROC | W20 | 291 | 21:21 | 05:32 | |
| 16th | Bethany Kippin | TVOC | W20 | 267 | 21:23 | 05:34 | |
| 17th | Jura Macmillan | ECKO | W20 | 280 | 21:26 | 05:37 | |
| 18th | Lucy Tonge | BOK | W20 | 333 | 22:07 | 06:18 | |
| 19th | Megan Harrison | EPOC | W20 | 249 | 23:15 | 07:26 | |
| 20th | Anna Barber | LEI | W20 | 194 | 23:31 | 07:42 | |
| 21st | Jessica Dring-Morris | LEI | W20 | 227 | 23:52 | 08:03 | |
| 22nd | Laura Eliza Lapina | IK Aus | W20 | 269 | 24:09 | 08:20 | |
| 23rd | Josefin Bovellan | NAIS O | W20 | 203 | 27:21 | 11:32 | |
| 24th | Sophie Pruzina | LVO | W20 | 308 | 28:00 | 12:11 | |
| 25th | Aoife Donaghy | GEN | W20 | 225 | 28:13 | 12:24 | |
| 26th | Saskia Warren | NN | W20 | 337 | 29:36 | 13:47 | |
| Roanne Lilley | ECKO | W20 | 273 | DSQ | Wrong No 5 132 for 179) | ||
| Sofie Andersen | BOK | W20 | 191 | DNF | Missed several |