| Trail Name | First Name | Last Name | Date Taken | |
|---|---|---|---|---|
| Oblio | David | Cook | 2017-03-26 | View |
| Oblio | Cale | Sitton | 2022-05-01 | View |
| Oblio | Ryan | Jaret | 1990-08-15 | View |
| Oblivious | Sam | Holder | 2007-10-21 | View |
| Oblivious | Brian | 2005-06-21 | View | |
| Oboe Hobo | Glenn | Harman | 2012-06-07 | View |
| Obsession | Patrick | Doran | 2023-06-20 | View |
| Obsidian | Jennifer | Vickers | 2017-07-31 | View |
| Obsidian | Burkhard | Stoetzel | 2014-06-21 | View |
| Obsolete | Thom | Wham | 2015-05-23 | View |