| Name | Team | Event Name |
|---|---|---|
| Adelina Gomez | Bank of America Chicago Marathon | |
| Adeline Appolon | WALT DISNEY WORLD Marathon Weekend | |
| Adeola Adedipe | Team Aiden | America's Most Beautiful Bike Ride |
| Adil Islam | Bloomberg | TCS New York City Marathon |
| Adnan Askari | Bank of America Chicago Marathon | |
| Adrianna Waack | America's Most Beautiful Bike Ride | |
| Adrienne Brown | WALT DISNEY WORLD Marathon Weekend | |
| Ahmad Hammoud | Bank of America Chicago Marathon | |
| Aidan Nadell | WALT DISNEY WORLD Marathon Weekend | |
| Aiman Naqvi | Run for CML | Bank of America Chicago Marathon |