| John Alcorn's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2021 Rattlesnake Ramble (Full Course) | CO | 29 | Saturday, September 11, 2021 | 00:37:56.00 |
| 2020 Rattlesnake Ramble (Full Course) | CO | 28 | Saturday, September 12, 2020 | 00:38:56.00 |
| 2019 Rattlesnake Ramble (Full Course) | CO | 27 | Saturday, September 14, 2019 | 00:38:13.00 |
| 2018 Rattlesnake Ramble (Full Course) | CO | 26 | Saturday, September 15, 2018 | 00:38:30.00 |