Its $20 to race, includes the driver. U don’t have to register, when its ur turn to pay for the entrance they ask u if u going to race or watch, its $10 per person to watch, And $20 to race. Not sure about how long it takes but each car ran about 5 times from 4pm to like 11pm, (they put u in groups). And yes it’s the ¼ mile. This event goes on every 2nd Saturday of the month.