| Name | Team | Event Name |
|---|---|---|
| Lois Boxer | Be Like Bob | Hike Yosemite |
| Loredana Campo | Bank of America Chicago Marathon | |
| Loretta Robbins | Bank of America Chicago Marathon | |
| Lori Aronson | Hike Yosemite | |
| Lorraine Shea | TNT Event | |
| Lorraine Shea | Bank of America Chicago Marathon | |
| Louis Solovy | Bank of America Chicago Marathon | |
| Louise Thyer | SuperHalfs Half Marathon Series | |
| Lucas Gulbranson | TCS New York City Marathon | |
| Lucine Kelly | TCS New York City Marathon |