| Participant | Country | Team |
|---|---|---|
| Ieva Zavinska | 🇱🇻 LAT | — |
| Igors Gorškovs | 🇱🇻 LAT | — |
| Igors Skrjabševs | 🇱🇻 LAT | Kalngale |
| Ija Vagale | 🇱🇻 LAT | — |
| Ilga Cepure | 🇱🇻 LAT | — |
| Ilijs Rodcevičs | 🇱🇻 LAT | Jelgavas BJSS |
| Iļja Percovs | 🇱🇻 LAT | — |
| Iļja Vasiļjevs | 🇱🇻 LAT | Sportland |
| Ilmars Birskis | 🇱🇻 LAT | Kristus Pasaulei |
| Ilona Gulbe | 🇱🇻 LAT | Ogre |
| ILONA ŅEMIRO | 🇱🇻 LAT | Jelgavas Sportland |
| Ilva Jonase | 🇱🇻 LAT | — |
| Ilva Klovāne | 🇱🇻 LAT | Tiamo grupa |
| Ilze Dille | 🇱🇻 LAT | — |
| Ilze Komasa | 🇱🇻 LAT | SK Mitauer |
| Ilze Lauze | 🇱🇻 LAT | — |
| Ilze Lesiņa | 🇱🇻 LAT | — |
| Ilze Liepa | 🇱🇻 LAT | Superkomanda “Gards” |
| Ilze Mellēna | 🇱🇻 LAT | — |
| Ilze Mihailova | 🇱🇻 LAT | — |
| Ilze Miklaševica | 🇱🇻 LAT | Jelgavas 4. vidusskola |
| Ilze Sala | 🇱🇻 LAT | — |
| Ilze Viļumsone | 🇱🇻 LAT | — |
| Indra Mackeviča | 🇱🇻 LAT | MySport Ogre |
| Inese Vinvalka | 🇱🇻 LAT | Three horses |
| Ineta Blumberga | 🇱🇻 LAT | — |
| Ineta Tannenberga | 🇱🇻 LAT | — |
| Inga Auzina | 🇱🇻 LAT | — |
| Inga Garkāja | 🇱🇻 LAT | — |
| Inga Poliščuka | 🇱🇻 LAT | SIA Joker Ltd. |
| Inga Talle | 🇱🇻 LAT | — |
| Inga Vārpiņa | 🇱🇻 LAT | Matisons Runner's Club |
| INGUSS ROZITIS | 🇳🇴 NOR | — |
| Inita Peholte | 🇱🇻 LAT | — |
| Irina Fedjko | 🇱🇻 LAT | — |
| Irina Nurgaļejeva | 🇱🇻 LAT | — |
| Irīna Seņina | 🇱🇻 LAT | — |
| Irina Smirnova | 🇱🇻 LAT | SIA Joker Ltd. |
| Irina Zandovska | 🇱🇻 LAT | SIA Joker Ltd. |
| Ivars Jansons | 🇱🇻 LAT | — |
| Ivars Sondors | 🇱🇻 LAT | — |
| Iveta Eglija | 🇱🇻 LAT | Mana labākā komanda |
| Iveta Kiršentāle | 🇵🇹 POR | — |
| Iveta Škutāne | 🇱🇻 LAT | — |
| Iveta Sniedze | 🇱🇻 LAT | — |
| Iveta Vīgante | 🇱🇻 LAT | — |
| Ivita Važa | 🇱🇻 LAT | — |
| Izolde Gūtmane | 🇱🇻 LAT | Kustini kājiņas |
| Jana Baltiņa-Sviķe | 🇱🇻 LAT | — |
| Jānis Ābols | 🇱🇻 LAT | Maratona klubs |
