| Participant | Country | Team |
|---|---|---|
| Ingus Kaprāns | 🇱🇻 LAT | Gren |
| Ingus Vuškārnieks | 🇱🇻 LAT | — |
| Inna Vetčinkina | 🇱🇻 LAT | — |
| Inta Kristapura-Nīmane | 🇱🇻 LAT | — |
| Intis Baldiņš | 🇱🇻 LAT | — |
| IRINA ILJINA | 🇱🇻 LAT | — |
| Irina Lorence | 🇱🇻 LAT | KAUGURI TEAM |
| Irina Pētersone | 🇱🇻 LAT | — |
| Irīna Štūla-Pankoka | 🇱🇻 LAT | — |
| Ivans Kuzņecovs | 🇱🇻 LAT | — |
| Ivars Borisovs | 🇱🇻 LAT | FOLKMAŅI |
| Ivars Bunka | 🇱🇻 LAT | — |
| Ivars Stahovskis | 🇱🇻 LAT | — |
| Iveta Soma | 🇱🇻 LAT | — |
| Iveta Stūrīte | 🇱🇻 LAT | — |
| Janijs Poida | 🇱🇻 LAT | — |
| Jānis Banders | 🇱🇻 LAT | — |
| Jānis Cunskis | 🇱🇻 LAT | — |
| Janis Glagaus | 🇱🇻 LAT | — |
| Jānis Ivanovs | 🇱🇻 LAT | — |
| Janis Kagis | 🇱🇻 LAT | — |
| Jānis Kaģis | 🇱🇻 LAT | — |
| Jānis Klīve | 🇱🇻 LAT | — |
| Jānis Leišavnieks | 🇱🇻 LAT | — |
| Jānis Mellēns | 🇱🇻 LAT | — |
| Jānis Misuns | 🇱🇻 LAT | Jelgavas Spīdolas Valsts ģimnāzija |
| JĀNIS OZERS | 🇱🇻 LAT | — |
| Jānis Tauberis | 🇱🇻 LAT | Džudo Saldus |
| Jānis Vilks | 🇱🇻 LAT | — |
| Jānis Villa | 🇱🇻 LAT | — |
| Janita Niedola | 🇱🇻 LAT | Maratona klubs |
| Jautrīte Pedāne | 🇱🇻 LAT | Run With Anita |
| Jautrīte Pedāne | 🇱🇻 LAT | Run With Anita |
| Jēkabs Gailis | 🇱🇻 LAT | Regbija klubs Mītava |
| Jekaterina Kaimova | 🇱🇻 LAT | — |
| Jeļena Kovaļonoka | 🇱🇻 LAT | — |
| Jelena Šidlovska | 🇱🇻 LAT | Prima La Famiglia |
| Jeļena Ždaņenko | 🇱🇻 LAT | — |
| Jevgenijs Saskevics | 🇱🇻 LAT | — |
| Jolanta Jaunzema | 🇱🇻 LAT | SIA Troja |
| JŪLIJA SIDOROVA | 🇱🇻 LAT | — |
| Jurijs Hoļms | 🇱🇻 LAT | — |
| Jurijs Ivanovs | 🇱🇻 LAT | — |
| Jurijs Lusins | 🇱🇻 LAT | EV Workshop SIA |
| Juris Adams | 🇱🇻 LAT | — |
| Juris Biļķins | 🇱🇻 LAT | — |
| Juris Kondrovs | 🇱🇻 LAT | — |
| Juta Niedola | 🇱🇻 LAT | Maratona klubs |
| Karlīna Romanceviča | 🇱🇻 LAT | — |
| Kārlis Krīgalis | 🇱🇻 LAT | — |
