| Name | Team | Event Name |
|---|---|---|
| Casey McDonald | Bleecker Run Club | TCS New York City Marathon |
| Cassandra Giner | Bank of America Chicago Marathon | |
| Cassandra Sarmento | Dylan’s Vikings | WALT DISNEY WORLD Marathon Weekend |
| Cassi Wagemann | WALT DISNEY WORLD Marathon Weekend | |
| Cassidy Schreiner | DIY: Your TEAM, Your Way | |
| Cassie McKinney | Bank of America Chicago Marathon | |
| Cate Mennig | Bank of America Chicago Marathon | |
| Catelyn Wood | Bank of America Chicago Marathon | |
| Catherine McKnight | Bank of America Chicago Marathon | |
| Catherine Myung | Pfizer | TCS New York City Marathon |