Rebecca Tantillo has 2 recorded races from Saint Louis, Missouri, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-10-05 | MO' Cowbell Marathon/Half-Marathon/10K/5K Half Marathon | Half Marathon | 2:29:00 | 1547 |
| 2025-02-08 | 2025 Castlewood Cup Modified 7.8 Miles | 1:34:18 | 130 |