| Name | Team | Event Name |
|---|---|---|
| Simon Politzer | Bank of America Chicago Marathon | |
| Simon Popkewitz | Madison Miles | Bank of America Chicago Marathon |
| Sister Sally Duffy | DIY: Your TEAM, Your Way | |
| Skylar Groth | Bank of America Chicago Marathon | |
| Skylar McMahon | Team ChiLd | WALT DISNEY WORLD Marathon Weekend |
| Skyler Shasky | Bank of America Chicago Marathon | |
| Sloane Spurlock | WALT DISNEY WORLD Marathon Weekend | |
| Sofia Gryzenia | Macquarie | United Airlines NYC Half |
| Sofia Pattillo | DIY: Your TEAM, Your Way | |
| Sohil Gandhi | Bloomberg | WALT DISNEY WORLD Marathon Weekend |