| F 20-99 | Name | Time | Gender Place | Overall Place |
|---|---|---|---|---|
| 1st | Michelle Ferris | 39:12.08 | 4th | 47th |
| 2nd | Debbie Coetzee | 42:33.47 | 18th | 103rd |
| 3rd | Rachel Pawsey | 46:26.02 | 40th | 175th |
| 4th | Sarah Sisson | 47:48.77 | 51st | 205th |
| 5th | Clare Thorley | 52:26.10 | 100th | 301st |
| 6th | Kay Holst | 53:02.25 | 108th | 315th |
| 7th | Tarron Duffill | 53:03.04 | 109th | 316th |
| 8th | Lara Fort | 58:01.62 | 148th | 372nd |
| 9th | Sarah Rees-Moore | 59:26.22 | 168th | 400th |
| 10th | Sarah Joyes | 1:02:14.12 | 197th | 439th |
| 11th | Camielle King | 1:02:14.32 | 198th | 440th |
| 12th | Michaela Harris | 1:03:45.06 | 213th | 456th |
| 13th | Rachael Day | 1:04:27.40 | 217th | 460th |
| 14th | Jo Booth | 1:29:42.22 | 414th | 676th |
| 15th | Laura Heil | 1:45:22.85 | 446th | 708th |