2017 TheHouse.com 300

The twelve drivers to qualify for the 2017 NASCAR Xfinity Series Chase field were William Byron, Justin Allgaier, Elliott Sadler, Daniel Hemric, Brennan Poole, Ryan Reed, Jeremy Clements, Cole Custer, Blake Koch, Matt Tifft, Brendan Gaughan, and Michael Annett.

[3] Brandon Jones, driving for Richard Childress Racing, would set the fastest time in the session, with a lap of 30.961 and an average speed of 174.413 mph (280.691 km/h).

[4] The final practice session, sometimes known as Happy Hour, was held on Friday, September 15, at 3:00 PM CST.

[3] Erik Jones, driving for Joe Gibbs Racing, would set the fastest time in the session, with a lap of 31.158 and an average speed of 173.310 mph (278.915 km/h).

[6] Erik Jones, driving for Joe Gibbs Racing, would win the pole after setting a time of 30.469 and an average speed of 177.229 mph (285.222 km/h) in the third round.

The layout of Chicagoland Speedway , the venue where the race was held.