Everything you need to know about the Brickyard 400

INDIANAPOLIS, IN - JULY 26: Cars race by during the NASCAR Sprint Cup Series Crown Royal Presents the Jeff Kyle 400 at the Brickyard at Indianapolis Motor Speedway on July 26, 2015 in Indianapolis, Indiana. (Photo by Brian Lawdermilk/Getty Images)

Today's Crown Royal presents the Combat Wounded Coalition 400, more popularly referred to as the Brickyard 400 at Indianapolis Motor Speedway, is race No. 20 of 36 of the NASCAR Sprint Cup Series season.

Jeff Gordon, subbing for Dale Earnhardt Jr. in the No. 88 Hendrick Motorsports Chevrolet, will start 21st.

Tony Stewart, racing in his final Brickyard 400, will start the race from third.

Before drivers roll off at the historic 2.5-mile track, here's everything you need to know.

Green flag:

3:19 p.m. ET

Tune-in:

1 p.m. ET: "NASCAR RaceDay" (FS1)

3 p.m. ET: Sprint Cup Series race

10:30 p.m. ET: "NASCAR Victory Lane" (FS1)

Race distance: 160 laps, 400 miles

Track size: 2.5-mile quad-oval

Grid size: 40 cars

Forecast: Partly cloudy, stray severe thunderstorm is possible, 20 percent chance of rain, high of 94 degrees

National anthem: Pop singer Cassadee Pope

Grand Marshal: Akbar Gbaja-Biamila, co-host of American Ninja Warrior

Command to start engines: Tony George

Flyover: VFA-101 Grim Reapers

Defending race winner: Kyle Busch

Front row: Kyle Busch and Carl Edwards

Starting lineup: