| Age | Time | Name | Venue | Date | Age Grade | Sex |
| Under 35 | 03:08:16 | Gemma Mallett | Oulton Park Running Grand Prix | 01 December 2019 | 72.64% | Female |
| 35-39 | 03:02:35 | Sally Ford | Marrakesh | 25 January 2015 | 76.70% | Female |
| 40-44 | 02:37:46 | Melissah Gibson | Murcia | 02-Feb-2025 | 87.05% | Female |
| 45-49 | 03:05:05 | Charley Jennings | London | 21-Apr-2024 | 80.65% | Female |
| 50-54 | 03:14:18 | Charley Jennings | London | 27-Apr-2025 | 77.77% | Female |
| 55-59 | 03:18:20 | Di Roy | London | 03 October 2021 | 89.87% | Female |
| 60-64 | 03:43:58 | Ingrid Harris | Newport | 16 April 2023 | 77.08% | Female |
| 65-69 | 03:44:33 | Jacquie Millet | Mesa Phoenix (Arizona) | 09 February 2019 | Female | |
| 70-74 | 04:05:41 | Gina Little | London | 26 April 2015 | 89.55% | Female |
| 75-79 | 04:21:35 | Kay O'Regan | Cork | 07 June 2011 | 94.78% | Female |
| 80+ | 05:24:40 | Kay O'Regan | Cork | 06 June 2016 | Female |