Opinions...
Dump the long "flat" straight aways... they really make tracks boring.
shorten it up a bit, maybe make it a figure eight or even a double eight this will keep it within the "wrestle" theme with some colisions at the intersections...
obviously it still needs some check points and the course still needs to be set for the comp trucks.
take your time and implement some new ideas, its already pretty unique so try to add to it and make it something you'll be proud of in the future.
yank the rap music and put in a Zeppelin tune hehe j/k
just what is it that the Rock has cookin? my guess is its not a ham and cheese hot pocket or some pickled eggs its probably a big can-O-Rock-boy-ar-dee-whoop-a$$
lookin forward to the next beta...
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Malibu350