| David Coblentz's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2024 | New Mexico, US | 61 | Friday, July 12, 2024 | DNF |
| Hardrock 100 2023 | New Mexico, US | 60 | Friday, July 14, 2023 | 39:49:43.00 |
| Hardrock 100 2022 | New Mexico, US | 59 | Friday, July 15, 2022 | 39:04:22.00 |
| Hardrock 100 2021 | New Mexico, US | 58 | Friday, July 16, 2021 | Not yet started |
| 2019 High Lonesome 100 | New Mexico, US | 56 | Friday, July 26, 2019 | 31:11:48.00 |
| 2018 High Lonesome 100 | 55 | Friday, August 3, 2018 | 32:32:03.00 | |
| Hardrock 100 2017 | New Mexico, US | 54 | Friday, July 14, 2017 | 36:53:01.00 |
| Hardrock 100 2016 | New Mexico, US | 53 | Friday, July 15, 2016 | 36:33:51.00 |
| Hardrock 100 2015 | New Mexico, US | 53 | Friday, July 10, 2015 | 35:45:30.00 |
| Hardrock 100 2014 | New Mexico, US | 52 | Friday, July 11, 2014 | 34:00:59.00 |
| Hardrock 100 2013 | New Mexico, US | 50 | Friday, July 12, 2013 | 33:55:52.00 |
| Hardrock 100 2012 | New Mexico, US | 50 | Friday, July 13, 2012 | 33:14:00.00 |
| Hardrock 100 2010 | New Mexico, US | 47 | Friday, July 9, 2010 | 37:44:46.00 |
| Hardrock 100 2009 | New Mexico, US | 46 | Friday, July 10, 2009 | 34:43:21.00 |
| Hardrock 100 2008 | New Mexico, US | 46 | Friday, July 11, 2008 | 32:48:31.00 |
| Hardrock 100 2007 | New Mexico, US | 45 | Friday, July 13, 2007 | 34:39:36.00 |