Sean Riordan has 4 recorded races from CHICAGO, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-23 | 2025 Chicago Triathlon Olympic | Ultra Marathon | 2:59:43 | 974 |
| 2024-08-24 | 2024 Chicago Triathlon International | Ultra Marathon | 3:12:56 | 1282 |
| 2023-08-27 | 2023 Chicago Triathlon International | Ultra Marathon | 2:30:18 | 1275 |
| 2022-08-28 | 2022 Chicago Triathlon Sprint - Individual | 1:45:58 | 361 |