| Name | Team | Event Name |
|---|---|---|
| LeAndra Lair | Pop's Warriors | WALT DISNEY WORLD Marathon Weekend |
| Leif Barkhousen | Team 209 | America's Most Beautiful Bike Ride |
| Leigh Dobbs | Team Princess Posse | WALT DISNEY WORLD Marathon Weekend |
| Les Helfman | Team Altitooties | Hike Yosemite |
| Lesley Baird | Golden Gate Sole Steppers | DIY: Your TEAM, Your Way |
| Lexi Belnick | Bank of America Chicago Marathon | |
| Lia LaBrant | TCS New York City Marathon | |
| Lily DiDomenico | Bank of America Chicago Marathon | |
| Lily West | Jenny Booyah & the Peachy Tribe | WALT DISNEY WORLD Marathon Weekend |
| Lin Zhuo | Bloomberg | TCS New York City Marathon |