| Colin Jackson's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2025 Rattlesnake Ramble (Full Course) | CO | 26 | Saturday, September 20, 2025 | Not yet started |
| 2024 Rattlesnake Ramble (Full Course) | CO | 25 | Saturday, September 21, 2024 | Not yet started |
| 2022 Rattlesnake Ramble (Full Course) | CO | 23 | Saturday, September 17, 2022 | 00:50:00.00 |