Dustin Jeffers has 4 recorded races from Chicago, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-23 | 2025 Chicago Triathlon Olympic | Ultra Marathon | 3:01:30 | 1043 |
| 2024-09-29 | 2024 Life Time Chicago Half Marathon + 5K | Half Marathon | 2:15:06 | 3896 |
| 2024-08-24 | 2024 Chicago Triathlon International | Ultra Marathon | 3:04:52 | 1015 |
| 2023-08-27 | 2023 Chicago Triathlon International | Ultra Marathon | 2:37:24 | 1591 |