2017 Kansas Lottery 300

In a wild finish, Christopher Bell, driving for Joe Gibbs Racing, would manage to defend against the dominant Erik Jones to win his first career NASCAR Xfinity Series victory and his only victory of the season.

[2] Matt Tifft, driving for Joe Gibbs Racing, would set the fastest time in the session, with a lap of 30.348 and an average speed of 177.936 mph (286.360 km/h).

[3] The final practice session, sometimes known as Happy Hour, was held on Friday, October 20, at 4:00 PM CST.

[2] Erik Jones, driving for Joe Gibbs Racing, would set the fastest time in the session, with a lap of 30.476 and an average speed of 177.189 mph (285.158 km/h).

[5] Tyler Reddick, driving for Chip Ganassi Racing, would win the pole after setting a time of 29.815 and an average speed of 181.117 mph (291.480 km/h) in the third round.