The racing world is home to most of the toughest person in the world as you need to be strong not only physically, but also mentally in this kind of sport. You need to be both as the race will exhaust not only your body, but also your mind. You also need to make some quick decision.
Drive your car as fast as you can till you reach the finish line. Try to grab the booster on the race track. There are two kinds of them and both will be helpful regardless of the one that you are able to get your hands on.