Can't find a Participant? Search for a team
| Participant | Team Name | Event | |
|---|---|---|---|
| Sierra Lavine | TCS New York City Marathon | Donate | |
| Silas Brickner | Bloomberg 1000 | TCS New York City Marathon | Donate |
| Simon Hampton | Bloomberg 1000 | United Airlines NYC Half | Donate |
| Simona Spelman | Team Roar - The Scarlett Fund | TCS New York City Marathon | Donate |
| Skylar Rogan | TCS New York City Marathon | Donate | |
| Sofia Capretta | TCS New York City Marathon | Donate | |
| Sofia Vargas | TCS New York City Marathon | Donate | |
| Sofia Termini | United Airlines NYC Half | Donate | |
| Sofie Patel | Start an Online Fundraising Page | Donate | |
| Sogee Franklin | United Airlines NYC Half | Donate | |
| Somer Abdelfattah | United Airlines NYC Half | Donate | |
| Sophia Rosano | Run in Any Race | Donate | |
| Sophia Molinari | TCS New York City Marathon | Donate | |
| Sophia Katz | TCS New York City Marathon | Donate | |
| Sophia Chonis | Team Ovary | TCS New York City Marathon | Donate |
| Sophie Koziol | TCS New York City Marathon | Donate | |
| Sophie Locke | United Airlines NYC Half | Donate | |
| Spencer Sapir | Team RBC | TCS New York City Marathon | Donate |
| Spencer Kushner | TCS New York City Marathon | Donate | |
| Spike Hayden | TCS New York City Marathon | Donate | |
| Stefan Lainovic | TCS New York City Marathon | Donate | |
| Stella Dronyi | TCS New York City Marathon | Donate | |
| Stephanie Blake | TCS New York City Marathon | Donate | |
| Stephanie Frye | Help On The Way | TCS New York City Marathon | Donate |
| Stephanie Junger-Moat | TCS New York City Marathon | Donate | |
| Stephanie Holmes | TCS New York City Marathon | Donate | |
| Stephanie Hogan | TCS New York City Marathon | Donate | |
| Stephanie Humphrey | TCS New York City Marathon | Donate | |
| Stephanie Scarpone Santos | BDO USA | TCS New York City Marathon | Donate |
| Stephanie Tarrab Hidary | United Airlines NYC Half | Donate | |
| Stephen Liset | Team Liset | TCS New York City Marathon | Donate |
| Stephen Leitzell | TCS New York City Marathon | Donate | |
| Stephen Mills | TCS New York City Marathon | Donate | |
| Steve Lesko | TCS New York City Marathon | Donate | |
| Summer Koop | TCS New York City Marathon | Donate | |
| Sunny Huang | Team Check Your Colon | TCS New York City Marathon | Donate |
| Susan Petri | Team Brooke | TCS New York City Marathon | Donate |
| Susan Chen | Team Guam | TCS New York City Marathon | Donate |
| Susan Barndt | TCS New York City Marathon | Donate | |
| Susan Campbell | TCS New York City Marathon | Donate | |
| Susan Hrabchak | Tom's Team Runsmile | TCS New York City Marathon | Donate |
| Suzanne Barbosa | TCS New York City Marathon | Donate | |
| Svetlana Kalinichenko | TCS New York City Marathon | Donate | |
| Sydney Kend | TCS New York City Marathon | Donate | |
| Sydney Wender | TCS New York City Marathon | Donate | |
| Sydney Tasman | TCS New York City Marathon | Donate | |
| Sydney Casper | TCS New York City Marathon | Donate | |
| Tabir Akhter | TCS New York City Marathon | Donate | |
| Tania Mariani | TCS New York City Marathon | Donate | |
| Tanya Hawkins | Running in PLACE | TCS New York City Marathon | Donate |