| Rank | Name | Time | Position in race | Event |
|---|---|---|---|---|
| 1 | Joanna Marsden | 17:35 | 5 | Barrowford - Aug. 8, 2020 |
| 2 | Elizabeth Renondeau | 18:04 | 28 | Barrowford - June 16, 2017 |
| 3 | Elizabeth Renondeau | 18:04 | 28 | Barrowford - June 16, 2017 |
| 4 | Steven Edwards | 18:04 | 11 | Barrowford - Dec. 1, 2018 |
| 5 | Elizabeth Renondeau | 18:05 | 20 | Barrowford - March 18, 2017 |
| 6 | Elizabeth Renondeau | 18:05 | 20 | Barrowford - March 18, 2017 |
| 7 | Joanna Marsden | 18:06 | 51 | Barrowford - June 15, 2019 |
| 8 | Sara Avery | 18:21 | 18 | Barrowford - Aug. 8, 2020 |
| 9 | Joanna Marsden | 18:54 | 27 | Barrowford - March 2, 2019 |
| 10 | Sara Avery | 18:55 | 26 | Barrowford - Dec. 1, 2018 |
| 11 | John Harrison | 18:59 | 19 | Barrowford - Aug. 17, 2019 |
| 12 | John Harrison | 19:16 | 30 | Barrowford - Dec. 1, 2018 |
| 13 | John Harrison | 19:34 | 34 | Barrowford - March 2, 2019 |
| 14 | Sara Avery | 19:38 | 35 | Barrowford - March 2, 2019 |
| 15 | Jonathan Cole | 19:42 | 38 | Barrowford - March 2, 2019 |