| Name | Team | Event Name |
|---|---|---|
| Adeola Adedipe | Team Aiden | America's Most Beautiful Bike Ride |
| Adil Islam | Bloomberg | TCS New York City Marathon |
| Adrianna Waack | America's Most Beautiful Bike Ride | |
| Adrienne Brown | WALT DISNEY WORLD Marathon Weekend | |
| Agnes Sharan Sahaya Raj Helan | Bank of America Chicago Marathon | |
| Ahmad Hammoud | Bank of America Chicago Marathon | |
| Aidan Maguire | Bank of America Chicago Marathon | |
| Aiman Naqvi | Run for CML | Bank of America Chicago Marathon |
| Aimee Garrido | couch potatoes | WALT DISNEY WORLD Marathon Weekend |
| Aimee Perhacs | Jim + Aimee | TCS New York City Marathon |