Greg Riemersma has 3 recorded races from CHICAGO, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-23 | 2025 Chicago Triathlon Olympic | Ultra Marathon | 2:56:41 | 858 |
| 2024-08-24 | 2024 Chicago Triathlon International | Ultra Marathon | 3:09:49 | 1178 |
| 2022-08-28 | 2022 Chicago Triathlon Sprint - Individual | 1:49:32 | 488 |