Eat a good breakfast, drink alot of water / gatorade... stay hydrated. Like the previous person said, stretch before the race.
Oh yea, and my personal tip : keep your eye on the track, not the person you are about to pass.... you may not clear a jump and case and fall and lose.
Theres a right way ,
http://www.putfile.com/media.php?n=JolietMX_goodJumps
And theres a wrong way Lmao , you can see me staring at the raptor from the moment I get air off the first double, then i dont take my eyes off him until its too late.
http://www.putfile.com/media.php?n=JolietMXCrash
-Jim #17 www.Jolietmx.com