FIM Motocross World Championship
MXGP 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
-
Sampo Rainio
Finland -
Eric Rakow
Germany -
Xylian Ramella
Corona, CA -
Markus Rammel
Austria -
Nuzul Ramzidan
Indonesia -
Rene Rannikko
Finland -
Lysa Raoux
France -
Petr Rathousky
Czechia -
Priit Ratsep
Estonia -
Pascal Rauchenecker
Austria -
Laura Raunkjaer
Denmark -
Lorenzo Ravera
Italy -
Pietro Razzini
Italy -
Nicola Recchia
Italy -
Karlis Alberts Reisulis
Latvia -
Janis Martins Reisulis
Latvia -
Alicia Reitze
Germany -
Maxime Renaux
France -
Nathan Renkens
Belgium -
Pavol Repcak
-
Hasti Rezaei
Iran -
Mia Ribic
Croatia -
Luciano Righi
Argentina -
Rag Rindal
Norway -
Pedro Rino
Portugal -
Thomas Rivarola
Argentina -
Joel Rizzi
Rhyl, United Kingdom -
Jy Roberts
Cooranbong, Australia -
Victor Alonso Rodilla
Spain -
Anthony Rodriguez
Caracacus, Venezuela -
Nicolas Rolando
Philippines -
Jaromir Romancik
Czechia -
Tommaso Isdraele Romano
Italy -
Joan David Rosell Romero
Spain -
Chaiyan Romphan
Thailand -
Andrea Roncoli
Italy -
Hardi Roosiorg
Estonia -
Austin Root
Chester, SC -
Natalia Rosado
Spain -
Andrea Rossi
Italy -
Marc-Antoine Rossi
France -
Stephen Rubini
France -
Luca Ruffini
Italy -
Kele Russell
Seabeck, WA -
Matteo Luigi Russi
Italy -
Meghan Rutledge
Australia -
Ilya Ryzhikh
Russia