Motocross of Nations
MXoN Riders: R
- Monster Energy AMA Supercross Championship
- AMA Pro Motocross Championship
- SuperMotocross World Championship
- FIM Motocross World Championship
- Progressive GNCC Racing
- Motocross of Nations
- FIM World Supercross Championship
- Australian Supercross Championship
- Women's Motocross Championship
- Monster Energy Cup
-
Adrian Raduta
Romania -
Ralph Lorenz Ramento
Philippines -
Steve Ramon
Belgium -
Jean Carlo Ramos
Brazil -
Priit Ratsep
Estonia -
Tyla Rattray
Durban, South Africa -
Pascal Rauchenecker
Austria -
Anthony Raynard
South Africa -
Daniel Reardon
Australia -
Chad Reed
Kurri Kurri, Australia -
Kyle Regal
Kemp, TX -
Oswald Reisinger
Austria -
Karlis Alberts Reisulis
Latvia -
Janis Martins Reisulis
Latvia -
Peter Reitbauer
Austria -
Eero Remes
Finland -
Maxime Renaux
France -
Pierre Renet
France -
Pavol Repcak
-
Juan E. Reyes
Puerto Rico -
Eythor Reynisson
Iceland -
Philipp Ringhofer
Austria -
Marc Ristori
Switzerland -
Manuel Rivas
Spain -
Ken Roczen
Mattstedt, Germany -
Joaquim Rodrigues
Temecula, CA -
Anthony Rodriguez
Caracacus, Venezuela -
Carlo Rodriguez
-
Fabian Rodriguez
Guatemala -
Jose Fernando Rodriguez
Puerto Rico -
Joel Roelants
Belgium -
Semen Rogozin
Russia -
Alejandro Rohas
Costa Rica -
Henry Rojas
Dominican Republic -
Jaromir Romancik
Czechia -
Chaiyan Romphan
Thailand -
Stephane Roncada
France -
Hardi Roosiorg
Estonia -
Jean Sebastien Roy
Canada -
Atison Ruadero
Thailand -
Atison Ruadreo
Thailand -
Jorge Israel Rubalcava
Mexico -
Christian Ruiz
Puerto Rico -
Nerijus Rukstela
Lithuania