| Participant | Country | Team |
|---|---|---|
| Rodrigo Dūdiņš | 🇱🇻 LAT | — |
| Rolands Gailītis | 🇱🇻 LAT | — |
| Rolands Heinrihs Millers | 🇱🇻 LAT | — |
| Rolands Laguns | 🇱🇻 LAT | — |
| Rolands Lubovs | 🇱🇻 LAT | Viss OK! |
| Rolands Mertens | 🇱🇻 LAT | SAK Pastališķi |
| Rolands Millers | 🇱🇻 LAT | — |
| Romans Danilovs | 🇱🇻 LAT | — |
| Romans Hairulins | 🇱🇻 LAT | — |
| Romāns Protasovs | 🇱🇻 LAT | TOLMETS GROUP |
| Ronalds Rodiks | 🇱🇻 LAT | Kačņiks |
| Ronalds Sprukulis | 🇱🇻 LAT | SEB |
| Ronijs Upmanis | 🇱🇻 LAT | — |
| Rota Laimdota Štramdiere | 🇱🇻 LAT | — |
| Rūdis Šnēbergs | 🇱🇻 LAT | — |
| Rūdolfs Baltais | 🇱🇻 LAT | — |
| Rūdolfs Beļaunieks | 🇱🇻 LAT | Get momey |
| Rūdolfs Čeičs | 🇱🇻 LAT | — |
| Rūdolfs Ceske | 🇱🇻 LAT | — |
| Rūdolfs Fišers | 🇱🇻 LAT | — |
| Rūdolfs Holuba | 🇱🇻 LAT | — |
| Rūdolfs Kārlis Spulle | 🇱🇻 LAT | — |
| Rufus Wiegmann | 🇩🇪 GER | — |
| Ruslans Solovjovs | 🇱🇻 LAT | Jūrmala Run |
| Rūta Krēsliņa | 🇱🇻 LAT | — |
| Rūta Peholte | 🇱🇻 LAT | — |
| Ryszard Lemański | 🇵🇱 POL | — |
| Sabina Rahmanova | 🇱🇻 LAT | — |
| Sabīne Blūmentāle | 🇱🇻 LAT | — |
| Sabīne Linkeviča | 🇱🇻 LAT | — |
| Sabīne Romule | 🇱🇻 LAT | — |
| Sabīne Zujeva | 🇱🇻 LAT | Matisons Runners Club |
| Samanta Anaņko | 🇱🇻 LAT | — |
| Samanta Lindenberga | 🇱🇻 LAT | — |
| Samanta Siliņa | 🇱🇻 LAT | AAP |
| Sanda Apine | 🇱🇻 LAT | — |
| Sanda Vehi | 🇱🇻 LAT | — |
| Sandis Laizāns | 🇱🇻 LAT | Circle k |
| Sandis Linards Dūda | 🇱🇻 LAT | SK Mitauer |
| Sandis Mauriņš | 🇱🇻 LAT | — |
| Sandis Pavļukevičs | 🇱🇻 LAT | — |
| Sandra Beča | 🇱🇻 LAT | — |
| Sandra Dervinika | 🇱🇻 LAT | — |
| Sandra Iļjenko | 🇱🇻 LAT | — |
| Sandra Krīgere | 🇱🇻 LAT | — |
| Sandra Lazdiņa-Gudeļonoka | 🇱🇻 LAT | — |
| Sandra Rubina | 🇱🇻 LAT | POGAS |
| Sandra Upena | 🇱🇻 LAT | Baltic Waste & Energy Group |
| Sandra Zeļča | 🇱🇻 LAT | — |
| Sandris Austris Kozlovskis | 🇱🇻 LAT | Snoopijs |
