| Mack Goodstein's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2025 Rattlesnake Ramble (Full Course) | CO | 31 | Saturday, September 20, 2025 | 00:44:28.00 |
| 2024 Rattlesnake Ramble (Full Course) | CO | 30 | Saturday, September 21, 2024 | 00:42:12.00 |
| 2022 Rattlesnake Ramble (Full Course) | CO | 28 | Saturday, September 17, 2022 | 00:43:20.00 |
| Never Summer (2022) (60k) | Colorado, US | 28 | Friday, July 29, 2022 | 13:59:24.00 |
| 2021 Rattlesnake Ramble (Full Course) | CO | 27 | Saturday, September 11, 2021 | 00:43:19.00 |