| Name | Team | Event Name |
|---|---|---|
| Kari Ksar | Bank of America Chicago Marathon | |
| Kari Morgan | Kaiser Permanente Washington | America's Most Beautiful Bike Ride |
| Karim Welaya | Bank of America Chicago Marathon | |
| Karin Pappin-OBrien | TNT Event | |
| Karina Kurzhals | Team WOA | Bank of America Chicago Marathon |
| Karla Goldsmith Duffy | DIY: Your TEAM, Your Way | |
| Kassie Lancaster | Cypress Strong | Hike Yosemite |
| Kate Barnhart | Purple Sparkly Awesomeness | DIY: Your TEAM, Your Way |
| Kate Galinus | Hike Yosemite | |
| Kate Gregg | TCS New York City Marathon |