| Name | Team | Event Name |
|---|---|---|
| Abraham Rach | Flash, Flash 10k Dash | WALT DISNEY WORLD Marathon Weekend |
| AC Fay | WALT DISNEY WORLD Marathon Weekend | |
| Adam Gonzalez | Bank of America Chicago Marathon | |
| Adam Regelbrugge | TNT Power Load | Bank of America Chicago Marathon |
| Adam Stulberger | Honoring Sheila, Skylar, Team Krigsy, Howie, Keith, Steve, and loved ones | TCS New York City Marathon |
| Addie Faggas | Bank of America Chicago Marathon | |
| 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 |