A site where you can submit your times for individual levels and compete against others. (external link)

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A site containing all current WRs including links to its videos. You can also go back and see WRs of the past, and see who held them as well as how many days they lasted. (external link)

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A list with the fastest known opening and 1-boost laps including links to its videos -- if available. (external link)

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