Glenn Sontag has 4 recorded races.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| TCS London Marathon 2026 | Marathon | 4:59:09 | 39914 | |
| TCS London Marathon 2024 | Marathon | 4:58:19 | 38399 | |
| TCS London Marathon 2023 | Marathon | 4:39:56 | 30057 | |
| TCS London Marathon 2022 | Marathon | 4:36:22 | 21723 |