| Henry Graf's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2017 Rattlesnake Ramble (Full Course) | Colorado, US | 16 | Saturday, September 9, 2017 | 00:39:32.00 |
| 2016 Rattlesnake Ramble (Full Course) | 15 | Saturday, September 10, 2016 | 00:38:17.00 | |
| 2015 Rattlesnake Ramble (Full Course) | 14 | Saturday, September 12, 2015 | 00:38:03.00 | |
| 2014 Rattlesnake Ramble (Full Course) | 13 | Saturday, September 13, 2014 | 00:37:36.00 | |
| 2013 Rattlesnake Ramble (Full Course) | 12 | Saturday, November 9, 2013 | 00:39:56.00 | |
| 2012 Rattlesnake Ramble (Kids Run) | 11 | Saturday, September 15, 2012 | 00:18:59.00 |