| Trail Name | First Name | Last Name | Date Taken | |
|---|---|---|---|---|
| Sister Zipper | Ali | Bakerman | 2004-11-05 | View |
| Sisto | Michael | Sistovaris | 2018-09-22 | View |
| Sisu | Paty | Matiskella | 2019-06-28 | View |
| Sisu | Esther | Locascio | 2000-07-02 | View |
| Sisu - The Silver Tiger | Andy | Rein | 2024-06-10 | View |
| Sisu 2 | 2000-11-09 | View | ||
| Sisyfus | Clarissa | Perry | 2014-05-21 | View |
| Sisyphus | Will | Peterson | 2019-06-26 | View |
| Sit-a-Bit | Chris | LaRoche | 2012-05-22 | View |
| Sit-A-Minute | Erin | Morrill | 1998-07-07 | View |