Marc Sernatinger has 4 recorded races from Colorado Springs, Colorado, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-23 | 2025 Chicago Triathlon Olympic | Ultra Marathon | 3:39:24 | 2162 |
| 2024-08-24 | 2024 Chicago Triathlon International | Ultra Marathon | 3:01:36 | 908 |
| 2023-08-27 | 2023 Chicago Triathlon International | Ultra Marathon | 2:18:00 | 651 |
| 2022-08-28 | 2022 Chicago Triathlon International - Individual | Ultra Marathon | 3:02:09 | 912 |