Stephen Smythe has 5 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| TCS London Marathon 2026 | Marathon | 3:58:27 | 19630 | |
| TCS London Marathon 2024 | Marathon | 3:59:52 | 20890 | |
| TCS London Marathon 2023 | Marathon | 3:37:11 | 10538 | |
| TCS London Marathon 2023 | Marathon | 3:37:42 | 10669 | |
| TCS London Marathon 2022 | Marathon | 4:07:40 | 14596 |