Data provided by Athletics Results UK — visit their site for complete athlete profiles, career PBs, and age-graded scores.
| Name | Gender | Category | Date | Distance | Race | Location | Position | Performance |
|---|---|---|---|---|---|---|---|---|
| Mark Watson | Male | Masters 50 | HMMT | Dunstable Downs Trail Half Marathon | Dunstable | 49 | 2:08:08 | |
| Anthony Poncia | Male | Masters 45 | 100 | Newham & Essex Beagles Track Open Meetings Summer Series 2023 | London (CT) | 5 | 15.67 | |
| Frances Forsyth | Female | Masters 50 | 100 | Newham & Essex Beagles Track Open Meetings Summer Series 2023 | London (CT) | 4 | 14.50 | |
| Leoni Delvendahl | Female | Under 18 | parkrun | Hampstead Heath parkrun # 553 | Hampstead Heath | 48 | 22:40 | |
| John O'Shea | Male | Masters 60 | parkrun | Barking parkrun # 507 | Barking | 7 | 20:56 | |
| Chris Beecham | Male | Masters 55 | parkrun | Hampstead Heath parkrun # 553 | Hampstead Heath | 13 | 20:25 | |
| Makoto Frewin | Male | Senior | parkrun | Highbury Fields parkrun # 541 | Highbury Fields | 80 | 22:10 | |
| Neil Ritson | Male | Masters 70 | parkrun | Moors Valley parkrun # 317 | Moors Valley | 42 | 22:11 | |
| Natasha Cendrowicz | Female | Masters 55 | parkrun | Grovelands parkrun # 608 | grovelands | 46 | 23:16 | |
| Joseph Lowe | Male | Masters 55 | parkrun | Kingston parkrun # 618 | kingston | 6 | 18:58 | |
| Mark Watson | Male | Masters 50 | parkrun | Aldenham parkrun # 349 | Aldenham | 9 | 23:03 | |
| Ross Dunsmore | Male | Senior | parkrun | Hampstead Heath parkrun # 553 | Hampstead Heath | 12 | 20:22 | |
| Gregory O'toole | Male | Masters 55 | parkrun | Hampstead Heath parkrun # 553 | Hampstead Heath | 172 | 27:53 | |
| Martin Bright | Male | Masters 55 | parkrun | Aldenham parkrun # 349 | Aldenham | 12 | 23:31 | |
| Hanry Heatherwick-Lammers | Male | Masters 35 | parkrun | Hampstead Heath parkrun # 553 | Hampstead Heath | 5 | 19:04 | |
| James Ross | Male | Masters 35 | parkrun | Ferry Meadows parkrun # 454 | Ferry Meadows | 2 | 17:12 | |
| David Clarkson | Male | Masters 50 | parkrun | Folkestone parkrun # 392 | Folkestone | 302 | 36:04 | |
| Isabella Millett | Female | Under 23 | parkrun | Hastings parkrun # 358 | hastings | 63 | 24:19 | |
| Aidan Williams | Male | Senior | parkrun | Southwark parkrun # 429 | southwark | 1 | 17:10 | |
| Chris Bailey | Male | Masters 60 | parkrun | Gladstone parkrun # 511 | gladstone | 40 | 24:12 | |
| Terry Fawden | Male | Senior | 3000SC | National Athletics League Premier Division Fixture A | Nottingham | 1 | 9:15.19 | |
| Alberto Pose | Male | Masters 35 | parkrun | Hampstead Heath parkrun # 553 | Hampstead Heath | 37 | 22:02 | |
| Marjolaine Briscoe | Female | Senior | parkrun | Wimbledon Common parkrun # 799 | Wimbledon Common | 49 | 22:07 | |
| Sam Kelly | Male | Senior | parkrun | Fulham Palace parkrun # 406 | Fulham Palace | 370 | 30:58 | |
| David Sutherland | Male | Masters 50 | parkrun | Sunny Hill parkrun # 152 | Sunny Hill | 14 | 24:43 | |
| Martin Black | Male | Masters 60 | Mile | Golden Stag Mile | Finsbury Park | 12 | 7:16.53 | |
| Hannah Viner | Female | Senior | Mile | Golden Stag Mile | Finsbury Park | 9 | 4:53.50 | |
| Wiremu Nicole | Male | Under 20 | Mile | Golden Stag Mile | Finsbury Park | 11 | 4:59.80 | |
| Jack Steenson | Male | Senior | Mile | Golden Stag Mile | Finsbury Park | 6 | 4:25.53 | |
| Daniel Groves | Male | Under 23 | Mile | Golden Stag Mile | Finsbury Park | 13 | 5:03.20 | |
| Joseph Young | Male | Senior | Mile | Golden Stag Mile | Finsbury Park | 5 | 4:15.13 | |
| Mark Opie | Male | Masters 40 | Mile | Golden Stag Mile | Finsbury Park | 12 | 5:14.85 | |
| David Sutherland | Male | Masters 50 | Mile | Golden Stag Mile | Finsbury Park | 7 | 5:46.48 | |
| Felix Kent | Male | Under 20 | Mile | Golden Stag Mile | Finsbury Park | 15 | 4:44.18 | |
| Alberto Pose | Male | Masters 35 | Mile | Golden Stag Mile | Finsbury Park | 5 | 6:01.67 | |
| Sean Renfer | Male | Masters 35 | 10K | Brighton Phoenix 10K | Brighton | 8 | 32:41 | |
| Edmund Brown | Male | Under 23 | 800 | Watford Harriers Open Graded Meetings | Watford | 4 | 2:03.29 | |
| Daniel Groves | Male | Under 23 | 800 | Watford Harriers Open Graded Meetings | Watford | 6 | 2:13.35 | |
| Tony Richards | Male | Masters 75 | HT5K | Southern Counties VAC League - Mid-London Division | Perivale | 3 | 18.62 | |
| Terry Fawden | Male | Senior | 1500 | BMC Regional Races | Birmingham Uni | 2 | 3:52.68 | |
| Izzy Ions | Female | Under 18 | 800 | Watford Harriers Open Graded Meetings | Watford | 1 | 2:16.62 | |
| Des Austin | Male | Masters 60 | HT6K | Southern Counties VAC League - Mid-London Division | Perivale | 2 | 23.93 | |
| Tony Richards | Male | Masters 75 | JT500 | Southern Counties VAC League - Mid-London Division | Perivale | 1 | 25.19 | |
| John Gilfedder | Male | Masters 35 | 10K | Brighton Phoenix 10K | Brighton | 16 | 33:39 | |
| David Sutherland | Male | Masters 50 | SP7.26K | Southern Athletics League Division 2 North & East | St. Albans | 6 | 5.57 | |
| Amblessed Akam | Female | Senior | HJ | Southern Athletics League Division 2 North & East | St. Albans | 3 | 1.15 | |
| Karima Harris | Female | Masters 55 | 5MNAD | London Summer League 5 | dulwich | 40 | 33:10 | |
| Rebecca Johnson | Female | Senior | 1500 | UK Athletics Championships Manchester | Sportcity | 8 | 4:30.21 | |
| Sonia Martinez-Roura | Female | Masters 50 | HJ | Southern Athletics League Division 2 North & East | St. Albans | 5 | 1.35 | |
| Wiremu Nicole | Male | Under 20 | 1500 | Southern Athletics League Division 2 North & East | St. Albans | 1 | 4:44.50 |