| Participant | Country | Team |
|---|---|---|
| Sandris Austris Kozlovskis | 🇱🇻 LAT | Snoopijs |
| Sanija Jansone | 🇱🇻 LAT | — |
| Sanija Reičela Feldmane | 🇱🇻 LAT | SK runningcoach.lv |
| Sanita Giptere | 🇱🇻 LAT | — |
| Sanita Orlovska | 🇱🇻 LAT | — |
| Sanita Vigule | 🇱🇻 LAT | VOLBURG |
| Santa Āboliņa | 🇱🇻 LAT | Āboliņi |
| Santa Beļauniece | 🇱🇻 LAT | — |
| Santa Bērtule | 🇱🇻 LAT | — |
| Santa Brokhuzena | 🇱🇻 LAT | — |
| Santa Ervalde | 🇱🇻 LAT | SEB |
| Santa Jākabsone | 🇱🇻 LAT | — |
| Santa Kokina | 🇱🇻 LAT | — |
| Santa Pildava | 🇱🇻 LAT | — |
| Santa Ragauska | 🇱🇻 LAT | — |
| Santa Salmane | 🇱🇻 LAT | — |
| Santa Šarka | 🇱🇻 LAT | SAK Pastališķi |
| Santa Škapare | 🇱🇻 LAT | — |
| Sāra Grinberga | 🇱🇻 LAT | VK Lielaisciems |
| Sāra Krūpena | 🇱🇻 LAT | — |
| Sara Obrzód | 🇵🇱 POL | Polska |
| Sarmīte Greidiņa | 🇱🇻 LAT | SIA Troja |
| Sarmīte Ježaka | 🇱🇻 LAT | — |
| SARMĪTE TUKIŠA | 🇱🇻 LAT | — |
| Šeila Priedola | 🇱🇻 LAT | — |
| Selina Germane | 🇱🇻 LAT | — |
| Sendija Kleinberga | 🇱🇻 LAT | — |
| Sendija Meļņikova | 🇱🇻 LAT | Saldus novada sporta skola |
| Sergei Zhuravlev | 🇱🇻 LAT | — |
| Sergejs Brusovs | 🇱🇻 LAT | — |
| Sergejs Dronkins | 🇱🇻 LAT | Viking Power |
| Sergejs Hramkovs | 🇱🇻 LAT | — |
| Sergejs Janušs | 🇱🇻 LAT | Daugavpils runers |
| Sergejs Karabanovs | 🇱🇻 LAT | Trodo |
| Sergejs Kovaļonoks | 🇱🇻 LAT | — |
| Sergejs Kozlovs | 🇱🇻 LAT | Man Garšo Alus |
| Sergejs Ļisovskis | 🇱🇻 LAT | — |
| Sergejs Trokmanis | 🇱🇻 LAT | — |
| Sergejs Veselovs | 🇱🇻 LAT | Imanta Run |
| Shankarnath Yogi | 🇳🇵 NEP | The Run Club |
| Sigita Saulīte | 🇱🇻 LAT | — |
| Sigita Šilinska | 🇱🇻 LAT | — |
| Silva Melngalve | 🇱🇻 LAT | — |
| Simona Balama | 🇱🇻 LAT | — |
| Simona Dreimane | 🇱🇻 LAT | — |
| Simona Granta | 🇱🇻 LAT | Vētrasputni |
| Simona Kārkliņa | 🇱🇻 LAT | — |
| Simona Pinkule | 🇱🇻 LAT | — |
| Simona Tabahova | 🇱🇻 LAT | Sia MELLER |
| Sindija Ābele | 🇱🇻 LAT | — |
