| Name | Team | Event Name |
|---|---|---|
| Lesley Baird | Golden Gate Sole Steppers | DIY: Your TEAM, Your Way |
| Lesley Baird | Holy Walkamolies | DIY: Your TEAM, Your Way |
| Leslie Markham | Team Susi and More | DIY: Your TEAM, Your Way |
| Leticia Rivera | Bank of America Chicago Marathon | |
| Lewis Zheng | TCS New York City Marathon | |
| Lex Goldstein | TCS New York City Marathon | |
| Lexie Rice | Will Run for Remission | Bank of America Chicago Marathon |
| Lia LaBrant | TCS New York City Marathon | |
| Lia Robertson | Bank of America Chicago Marathon | |
| Liam Maughan | Bank of America Chicago Marathon |