| Name | Team | Event Name |
|---|---|---|
| April Calvert | FIS | Walt Disney World Marathon Weekend |
| Ariana Gardizy | Bank of America Chicago Marathon | |
| Ariana Zanganeh | Bank of America Chicago Marathon | |
| Aric Stock | Team Karen | Hike Yosemite |
| Arizbeth Myrvold | DIY: Your TEAM, Your Way | |
| Aroon Patel | Blackstone AMBBR 2026 | America's Most Beautiful Bike Ride |
| Arthur Marquis | Unstoppable for A Cure | Walt Disney World Marathon Weekend |
| Artyom Paflof | Bank of America Chicago Marathon | |
| Ashlee Green | Team Green | Walt Disney World Marathon Weekend |
| Ashley Albert | Bank of America Chicago Marathon |