Matthew Gontarz has 6 recorded races from Phoenix, AZ, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-05-31 | 2026 Rock 'n' Roll San Diego Marathon | Marathon | 5:36:18 | 5330 |
| 2025-06-01 | 2025 Rock 'n' Roll San Diego Marathon | Marathon | 5:19:02 | 4113 |
| 2024-06-02 | 2024 Rock 'n' Roll San Diego Marathon | Marathon | 4:58:11 | 3727 |
| 2023-06-04 | 2023 Rock 'n' Roll San Diego Marathon | Marathon | 5:19:05 | 3267 |
| 2023-01-15 | 2023 Rock 'n' Roll Arizona Marathon | Marathon | 4:14:42 | 529 |
| 2022-01-16 | 2022 Rock 'n' Roll Arizona Marathon | Marathon | 4:19:09 | 560 |