Big Machine Spiked Coolers GP: How to watch, start time, etc

When is the Big Machine Spiked Coolers Grand Prix? 
The event will be held from Friday, Aug. 13 through Saturday, Aug. 14, with first practice and qualifying on Friday, and warm-up and the race on Saturday.
The full on-track schedule (all times are local/Eastern) is as follows:
Friday, Aug. 13
3.00-4.00pm – NTT IndyCar Series Practice5.35-6.25pm – NASCAR Xfinity Series …Keep reading