Supercross is one show, Usually during a period most tracks of any type aren't running. They got a 3.5 hour program that runs like clockwork.

Two classes only and TV.

Compare that with 5-7 tracks running sprints within 200 miles of Indianapolis any Sat night. They're are probably more fans than Supercross. They're all spread out. Fact is, most short tracks couldn't handle a supercross event, Thought I read somewhere where Eldora capped sales for the Truck Race at 30,000