| Name | Team | Event Name |
|---|---|---|
| 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 Riihimaki | Hikers4Life | Hike Yosemite |
| Caylee Cook | Hike Yosemite | |
| Cecelia Oetinger | Putt Cancer in the Hole | Hike Yosemite |
| Celeste Lee | Golden Gate Sole Steppers | DIY: Your TEAM, Your Way |
| Chad Bates | Hail Mary Poppins | WALT DISNEY WORLD Marathon Weekend |
| Chad Hagger | Dancing to the finish | WALT DISNEY WORLD Marathon Weekend |