Britton St. Onge has 4 recorded races from Saint Louis, Missouri, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-02-21 | 2026 Castlewood Cup 15K | 15K | 1:24:30 | 41 |
| 2025-02-08 | 2025 Castlewood Cup Modified 7.8 Miles | 1:07:13 | 35 | |
| 2023-02-04 | 2023 Castlewood Cup 15k | 15K | 1:29:07 | 79 |
| 2022-02-19 | 2022 Castlewood Cup 9 Mile | 1:17:59 | 44 |