A spotter watches out for the driver. He/she will tell the driver who is around them or what/who to watch out for. They are like the drivers second set of eyes. They tell them where to go on the...
A spotter tells the driver that there is a crash ahead, also if it is clear to pass another driver.
You have to practice a lot and then you sine up and that's all.
going against opponents like runners or vehicles etc and finding out who is fastest to a finish line
300 Kph