Jamie Jefferies has 2 recorded races from Basking Ridge, New Jersey, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-10-05 | Guthrie Wineglass Marathon, Wegmans Wineglass Half Marathon & Williams Toyota Wineglass 5K | 3:56:25 | 793 | |
| TCS London Marathon 2025 | Marathon | 4:19:48 | 23799 |