| Runner | Event | Time | Distance | Position | Date |
|---|---|---|---|---|---|
| T Patmore | The Grizzly | 03:29:33 | 20.0miles | 667 (19 FV35) | 13-03-2005 |
| Matt Pyecroft | The Grizzly | 03:29:33 | 20.0miles | 668 (226 M) | 13-03-2005 |
| Jack Rivers | Bury 20 | 03:30:12 | 20.0miles | 330 (MV40) | 26-02-2006 |
| Pamela Hemingway | Ashby 20 | 03:30:26 | 20.0miles | 760 (44 FV45) | 22-03-2009 |
| Caroline Freeman | Oakley 20 | 03:30:46 | 20.0miles | 710 (F) | 27-03-2011 |
| Joanna Makowska | Oakley 20 | 03:31:23 | 20.0miles | 439 (78 FV45) | 23-03-2025 |
| Annabel Thompson | Oakley 20 | 03:31:30 | 20.0miles | 716 (FV35) | 27-03-2011 |
| Barbara Reading | Oakley 20 | 03:32:53 | 20.0miles | 722 (FV60) | 27-03-2011 |
| Nathalie Williams | Nene Valley Trail Run 20Mile 2025 | 03:32:58 | 20.0miles | 21/49 PB (1st.. 3/14 female FV50) | 14-06-2025 |
| Anthony william mcclure | Bedford 20 | 03:34:38 | 20.0miles | 596 PB (196 MV40) | 25-03-2018 |
| Tony Farrugia | Oakley 20 | 03:34:40 | 20.0miles | (M) | 16-03-2008 |
| Jack Rivers | Oakley 20 | 03:36:02 | 20.0miles | 716 (0) | 28-03-2010 |
| Norman King | Bury 20 | 03:36:27 | 20.0miles | 374 (MV50) PB | 25-02-2007 |
| Jo Dowle | Dunstable 20Mile Challenge | 03:37:45 | 20.0miles | 66 (F) | 18-09-2005 |
| Kirk Kidd | Bedford 20 | 03:38:54 | 20.0miles | 215 (37 M) | 05-09-2021 |
| Lisa Hamblin | Oakley 20 | 03:39:07 | 20.0miles | 731 (F) PB | 28-03-2010 |
| Pamela Hemingway | Oakley 20 | 03:39:13 | 20.0miles | 739 (FV45) | 05-04-2009 |
| Norman King | Oakley 20 | 03:39:38 | 20.0miles | 699 (MV50) | 01-04-2007 |
| Barbara Reading | Oakley 20 | 03:39:59 | 20.0miles | (FV70) | 02-04-2017 |
| Catherine Hemingway | Oakley 20 | 03:40:44 | 20.0miles | 373 (F) | 24-03-2024 |
| Susan Hunter | Oakley 20 | 03:45:04 | 20.0miles | 578 (3 FV65) | 29-03-2026 |
| Michaela Ridley | Bedford 20 | 03:45:24 | 20.0miles | (0 FV45) | 25-03-2018 |
| Norma Leckie | Oakley 20 | 03:46:25 | 20.0miles | 365 (1 FV70) | 26-03-2023 |
| Oakley 20 | 03:46:51 | 20.0miles | 627 (F) | 02-04-2006 | |
| Norman King | Bury 20 | 03:51:06 | 20.0miles | 342 (MV50) | 22-02-2009 |