You mean like pylon racing? If so,
www.westcoastatc.com has a VA called PROPS that has the scenery and planes for this. And you can download the scenery and planes without joining if you desire. PROPS has two weekly practices in between 'seasons' where you can fly with other people on a course and have it timed so you know who won and all.
The classes of planes they have are Biplanes, Sport, and Unlimited. Biplane flys Pitts', Sport flies the Lancair Legacy, and Unlimited flys the P51.

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