Masao Maki has 3 recorded races from Boulder, CO.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2023-10-08 | Boulderthon Marathon | Marathon | 5:33:40 | 767 |
| 2022-06-04 | 2021 REVEL Rockies Marathon | Marathon | 4:58:26 | 580 |
| 2022-04-02 | 2022 REVEL Mt Charleston Marathon | Marathon | 4:47:26 | 1376 |