Colleen Retz has 7 recorded races from Marble Hill, Missouri, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-03-21 | 2026 Yuengling Shamrock Marathon Weekend 8K | 1:14:49 | 5362 | |
| 2025-03-15 | 2025 Yuengling Shamrock Marathon Weekend Half Marathon | Half Marathon | 3:25:53 | 5354 |
| 2025-03-15 | 2025 Yuengling Shamrock Marathon Weekend 8K | 1:07:47 | 4395 | |
| 2024-03-16 | 2024 Yuengling Shamrock Marathon Weekend Half Marathon | Half Marathon | 3:14:02 | 4977 |
| 2024-03-16 | 2024 Yuengling Shamrock Marathon Weekend 8K | 1:02:45 | 3815 | |
| 2023-03-17 | 2023 Yuengling Shamrock Marathon Weekend Townebank 8K | 1:11:07 | 4188 | |
| 2022-03-19 | 2022 Yuengling Shamrock Marathon Weekend Townebank 8K | 1:03:26 | 3928 |