| Participant | Country | Team |
|---|---|---|
| Herbert Shelton | — | — |
| Herb Hutson | — | — |
| Hilary Edmond | — | — |
| Hillary Carter | — | — |
| Holly Laite | — | — |
| Holly Miller | — | — |
| Homer Wilson | — | — |
| Howard Frasier | — | — |
| Howard Langley | — | — |
| Howard Morgan | — | — |
| Hubert Ruesga | — | — |
| Hubert Wiggins | — | — |
| Ian Coren | — | — |
| Ida Davis | — | — |
| Ida Verde | — | — |
| Ida Woolley | — | — |
| India Mcmullin | — | — |
| Ira May | — | — |
| Irene Cann | — | — |
| Irene Richardson | — | — |
| Irene Smith | — | — |
| Irene Vaness | — | — |
| Irene Wood | — | — |
| Irma Hulsizer | — | — |
| Isabel Grindstaff | — | — |
| Iva Rublee | — | — |
| Iva Shield | 🇱🇻 LAT | — |
| Izola Miller | 🇱🇻 LAT | — |
| Jacalyn Dearman | — | — |
| Jack Brewer | — | — |
| Jack Dallas | — | — |
| Jack Draper | — | — |
| Jack Leath | — | — |
| Jack Rush | — | — |
| Jack Segura | — | — |
| Jack Wise | — | — |
| Jacob Logan | — | — |
| Jacqueline Morey | — | — |
| James Ackerman | — | — |
| James Arnold | — | — |
| James Brooke | — | — |
| James Burton | — | — |
| James Cammack | — | — |
| James Dickinson | — | — |
| James Gelormino | — | — |
| James Ginsberg | — | — |
| James Gunter | — | — |
| James Harris | — | — |
| James Harteau | — | — |
| James Horace | — | — |
Rīgas Velomaratons 2018
Organizer: 35d70e20-3a80-4b80-acef-dfdd88677f19
06/06/2018
Event start
07/06/2018
Event end