Brett Mattas has 4 recorded races from ZANESVILLE, Ohio, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-23 | 2025 Chicago Triathlon Olympic | Ultra Marathon | 3:03:57 | 1149 |
| 2024-08-24 | 2024 Chicago Triathlon International | Ultra Marathon | 4:12:52 | 2323 |
| 2023-08-27 | 2023 Chicago Triathlon International | Ultra Marathon | 2:28:29 | 1178 |
| 2022-08-28 | 2022 Chicago Triathlon International - Individual | Ultra Marathon | 3:08:36 | 1144 |