2018 OneMain Financial 200

The 2018 OneMain Financial 200 was the 10th stock car race of the 2018 NASCAR Xfinity Series season and the 37th iteration of the event.

At race's end, Justin Allgaier of JR Motorsports would hold off his teammate Elliott Sadler in the closing laps to win his sixth career NASCAR Xfinity Series win and his first of the season.

[4] Noah Gragson of Joe Gibbs Racing would set the fastest time in the session, with a lap of 23.465 and an average speed of 153.420 miles per hour (246.906 km/h).

[5] The second and final practice session, sometimes referred to as Happy Hour, would occur on Friday, May 4, at 2:05 PM EST and would last for 45 minutes.

[4] Christopher Bell of Joe Gibbs Racing would set the fastest time in the session, with a lap of 23.581 and an average speed of 152.665 miles per hour (245.691 km/h).

[7] Nine drivers did not set a lap due to not passing inspection in time before the qualifying session.