| Name | Team | Event Name |
|---|---|---|
| Claire Sherwood | Owen's warriors | TCS New York City Marathon |
| Clare Loksa | Will Run for Remission | Bank of America Chicago Marathon |
| Cody Scarboro | Pop's Warriors | Walt Disney World Marathon Weekend |
| Coker Powell | ELT Team | Walt Disney World Marathon Weekend |
| Colleen Cooper | Walt Disney World Marathon Weekend | |
| Colleen Gilligan | The Colleen-Michelle Mile Makers | TCS New York City Marathon |
| Colleen Sutphen | Team Elijah | TCS New York City Marathon |
| Connor Keaney | Unstoppable for A Cure | Walt Disney World Marathon Weekend |
| Coreen Kemper | Walt Disney World Marathon Weekend | |
| Corin Hohman | Bank of America Chicago Marathon |