| Participant | Country | Team |
|---|---|---|
| Raymond Rogers | 🇱🇻 LAT | — |
| Raymond Williams | — | — |
| Rebecca Curi | — | — |
| Renee Jones | — | — |
| Reynaldo Ingram | — | — |
| Richard Barajas | — | — |
| Richard Bergstrom | — | — |
| Richard Cannon | — | — |
| Richard Fugate | 🇱🇻 LAT | — |
| Richard Mcgranahan | 🇱🇻 LAT | — |
| Richard Pastrano | 🇱🇻 LAT | — |
| Richard Phillips | — | — |
| Richard Sanders | 🇱🇻 LAT | — |
| Richard Swiger | — | — |
| Rita Makowski | — | — |
| Rob Andres | — | — |
| Robert Abbenante | 🇱🇻 LAT | — |
| Robert Beach | — | — |
| Robert Chavarria | — | — |
| Robert Duncan | — | — |
| Robert Ethridge | — | — |
| Robert Isaacs | — | — |
| Robert Mahan | — | — |
| Robert Mccann | 🇱🇻 LAT | — |
| Robert Mccarthy | — | — |
| Roberto Stai | — | — |
| Robert Sanborn | — | — |
| Robin Sung | — | — |
| Rochelle Hoge | — | — |
| Roger Naves | — | — |
| Ronald Matarrita | — | — |
| Ronald Taylor | — | — |
| Rosalee Crum | — | — |
| Rosalyn Gaither | — | — |
| Rosemary Cruz | 🇱🇻 LAT | — |
| Rose Walker | — | — |
| Rose Yates | — | — |
| Roy Webb | — | — |
| Russell Raines | — | — |
| Sadie Lawhon | — | — |
| Sam Dale | — | — |
| Samuel Powell | — | — |
| Sandra Hagge | — | — |
| Sandra Oneal | — | — |
| Sandra Pederson | — | — |
| Sandra Thompson | — | — |
| Santos Cook | — | — |
| Sara Benton | — | — |
| Sarah Benware | — | — |
| Sara Nelson | — | — |
