Each year RCMM hosts a costume contest at the October show. Each year the costumes get more and more inventive for horses, people, and even dogs.
Riverside County Mounted Mavericks offers a 5–D and show series format with $$$ prizes and payouts.
Gymkhana is the action packed, precision sport of the equestrian world. A good Gymkhana horse must have the speed of a race horse, the turning quickness and agility of a cutting horse and the control and responsiveness of the stock horse.