Thomas Rivas has 6 recorded races from Perú.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-24 | 116° KIA MEDIA MARATÓN DE LIMA & 10K BY PUMA 21.097K | Half Marathon | 2:08:16 | 4663 |
| 2025-04-26 | 2025 Salt Lake City Marathon Full Marathon | Marathon | 4:43:31 | 962 |
| 2024-04-20 | 2024 Salt Lake City Marathon Full Marathon | Marathon | 5:02:40 | 1002 |
| 2023-04-22 | 2023 Salt Lake City Marathon Full Marathon | Marathon | 4:31:48 | 503 |
| 2022-09-10 | 2022 Park City Trail Series Half Marathon | Half Marathon | 2:21:15 | 83 |
| 2022-04-23 | 2022 Salt Lake City Marathon Full Marathon | Marathon | 4:51:42 | 529 |