| Milestone | Name | Date | Event |
| 400 Marathons/Ultras | Richard Williams | 11-Jan-25 | Saturn The Squid Games Run |
| 400 Marathons/Ultras | Karen Hamilton | 12-Jan-25 | Disney Dopey Challenge |
| 600 Road Marathons | Rich Holmes | 02-Feb-25 | Donna Marathon (Jacksonville) |
| 100 Ultra Marathons | Martin Draper | 09-Feb-25 | RED WInter Challenge Day 2 |
| Triple Crown | Martin Draper | 09-Feb-25 | RED Winter Challenge Day 2 |
| 500 Marathons/Ultras | Ellen Cottom | 23-Mar-25 | Phoenix Dragonfly Run |
| 200 Marathons/Ultras | Darryl Coulter | 27-Apr-25 | Pewsey Downsaround |
| 200 Marathons/Ultras | Stuart Porter | 04-May-25 | Prague |
| 100 Road Marathons | Anna Finn | 04-May-25 | Newcastle - Gateshead |
| 800 Marathons/Ultras | Eugene Winters | 05-May-25 | Belfast |
| 300 Marathons/Ultras | Jane Lightfoot | 16-May-25 | Phoenix Prehistoric Friday |
| 600 Marathons/Ultras | Bryan Darney | 17-May-25 | North Devon 100K |
| 100 Ultra Marathons | Anna Finn | 25-May-25 | Saturn Aladdin Sane 5in5 Day 4 |
| Triple Crown | Anna Finn | 25-May-25 | Saturn Aladdin Sane 5in5 Day 4 |
| 400 Marathons/Ultras | Jonathan Godfrey | 01-Jun-25 | IGUN Ruddy Rothwells Cakeathon |
| 500 Marathons/Ultras | Nick Cockburn | 03-Jun-25 | Big Bear Woodland Challenge |
| 200 Marathons/Ultras | Dan Newton | 07-Jun-25 | IGUN Summer Extravaganza Day 1 |
| 500 Marathons/Ultras | Neil Williams | 07-Jun-25 | Dartmoor Discovery |
| 600 Marathons/Ultras | Brenda O'Keeffe | 24-Aug-25 | Longford |
| 200 Marathons/Ultras | Judith Webb | 20-Sep-25 | Peak District Wilderness 50K |
| 400 Ultra Marathons | Robert Cameron-Wood | 20-Sep-25 | Embrace Ultra Triple Trail 100K |
| 300 Marathons/Ultras | Jeremy Furber | 28-Sep-25 | Long Player Something to Talk About |
| 800 Marathons/Ultras | Robert Cameron-Wood | 05-Oct-25 | Ely Trifest Marathon |
| 200 Marathons/Ultras | Brent Crowle | 11-Oct-25 | Phoenix King Of The Rungle |
| 100 Road Marathons | Sam Brown | 19-Oct-25 | Goodwood |
| Triple Crown | Sam Brown | 19-Oct-25 | Goodwood |