Colette Arntson has 6 recorded races from Clio, Michigan, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-04-11 | 2026 Milwaukee Marathon, Half Marathon, & 5K | Marathon | 3:30:03 | 215 |
| 2026-02-07 | 2026 Winterlaufe 8K Run | 36:06 | 18 | |
| Bank of America Chicago Marathon 2025 | Marathon | 3:44:09 | 17063 | |
| Bank of America Chicago Marathon 2024 | Marathon | 3:44:09 | 17063 | |
| Bank of America Chicago Marathon 2023 | Marathon | 3:44:09 | 17063 | |
| Bank of America Chicago Marathon 2022 | Marathon | 3:44:09 | 17063 |