These help to keep the racing exciting for fans, but competitive for racers. After the race has ended, the track may need to be cleaned up. Most amateur race tracks are left for a specific period of time. This is often because many amateur tracks are often locally run and operated; therefore, they do not always need to removed. Heat races are sometimes substituted for qualifying races, especially during amateur supercross motorcycle races. After the field has been set, whether it be by heat races or qualifying races, the main event will begin. The main event is the most well known portion of all supercross motorcycle racing events. When McGrath started in supercross motorcycle racing, he was with Team Suzuki. After a while, he decided to switch to Team Honda. Like his fellow supercross competitor, Ricky Carmichael, this move was widely criticized by many, including his fans. It is a wonder if his fans saw what would be coming in the future. To those unfamiliar with the world of off-road racing, it can be difficult to separate the two apart from each other. In fact, many, who are unfamiliar with the sport, tend to believe that they are the same thing. While motocross motorcycle racing and supercross motorcycle racing do have their similarities, they are two completely different sports. When it comes to the history of supercross motorcycle racing, it is often difficult to pinpoint its exact date of birth. Supercross racing is a variation of motocross racing. The only difference between the two is that motocross races tend to take place outdoors, while supercross racing events are mostly held indoors. In fact, supercross BMX racing is widely popular among adults and females. In addition to being a sport for children, many believe that professional BMX racers are not good enough to race motorcycles. This is simply not true. It isn t that these racers aren t good enough, it is just that they prefer to race off-road bikes, instead of off-road motorcycles.