Everything you need to know about the FireKeepers Casino 400 at Michigan

Sunday afternoon's FireKeepers Casino 400 at Michigan International Speedway is race No. 15 of 36 of the NASCAR Sprint Cup Series season.

Before drivers strap into their racecars with a new aero package, here's everything you need to know about today's race in the Irish Hills:

Green flag:

1:18 p.m. ET

Tune-in:

11:30 a.m. ET: "NASCAR RaceDay" (FS1)

1 p.m. ET: Sprint Cup Series race (FS1)

Race distance: 200 laps, 400 miles

Track size: 2.0-mile D-shaped oval

Grid size: 40 cars

Forecast: PERFECT, sunny, zero percent chance of rain, high of 78 degrees, winds N 10 to 15 mph

National anthem: Three Men and a Tenor

Grand Marshal: UFC Champion Miesha Tate

Defending race winner: Kurt Busch

Front row: Joey Logano and Martin Truex Jr.

Starting lineup: