Matthew Hartvigsen has 5 recorded races from California, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-04-26 | 2025 Salt Lake City Marathon 10K Run/Walk | 10K | 49:01 | 73 |
| 2024-12-07 | Los Angeles Spartan Event Weekend - Sprint Sprint Open | 50:39 | 7 | |
| 2024-04-20 | 2024 Salt Lake City Marathon 10K Run/Walk | 10K | 55:14 | 151 |
| 2023-04-22 | 2023 Salt Lake City Marathon 10K Run/Walk | 10K | 51:33 | 97 |
| 2022-04-23 | 2022 Salt Lake City Marathon 10K Run/Walk | 10K | 48:41 | 42 |