| Name | Team | Event Name |
|---|---|---|
| Rebecca Waer | TNT Event | |
| Regan Britt | Bank of America Chicago Marathon | |
| Regan Jones | DIY: Your TEAM, Your Way | |
| Regina Tudor | DIY: Your TEAM, Your Way | |
| Reginald Tetteh | Bloomberg | TCS New York City Marathon |
| Reid Smith | WALT DISNEY WORLD Marathon Weekend | |
| Rena Upadhyay | TNT Event | |
| Renee Caron | SuperHalfs Half Marathon Series | |
| Rhea Ahluwalia | Macquarie | United Airlines NYC Half |
| Rhonda Carlson | Bank of America Chicago Marathon |