There's an old adage when it comes to racing, and that's if you can get into your competitor's head, if they can see you in their mirrors, you've got them. The idea is, you take up space in their head, and they're going to make a mistake. I tend to use that whenever I'm racing anyone, whether it's in real life at a kart track, on a dirt bike, or even online. You pressure your opponents and pressure them until they get too far into their own heads, and you use their screw-ups to your advantage.
Ask me how I accidentally ran over the CEO of AMA while we were racing flat track...sorry, Gene.