2018 Alsco 300 (Charlotte)

The 2018 Alsco 300 was the 11th stock car race of the 2018 NASCAR Xfinity Series season and the 37th iteration of the event. The race was held on Saturday, May 26, 2018, in Concord, North Carolina at Charlotte Motor Speedway, a 1.5 miles (2.4 km) permanent quad-oval. The race was extended from 200 laps to 204 due to a NASCAR overtime finish. At race's end, Brad Keselowski of Team Penske would win the race under caution, as Tyler Reddick and Ty Majeski would both wreck on the backstretch on the final lap, putting out a caution. The win was Keselowski's 38th career NASCAR Xfinity Series win and his second of the season. To fill out the podium, Cole Custer of Stewart-Haas Racing with Biagi-DenBeste and Christopher Bell of Joe Gibbs Racing would finish second and third, respectively.

Background
The race was held at Charlotte Motor Speedway, located in Concord, North Carolina. The speedway complex includes a 1.5-mile (2.4 km) quad-oval track that was utilized for the race, as well as a dragstrip and a dirt track. The speedway was built in 1959 by Bruton Smith and is considered the home track for NASCAR with many race teams based in the Charlotte metropolitan area. The track is owned and operated by Speedway Motorsports Inc. (SMI) with Marcus G. Smith serving as track president.

First practice
The first practice session would occur on Thursday, May 24, at 4:05 PM EST, and would last for 50 minutes. Kyle Busch of Joe Gibbs Racing would set the fastest time in the session, with a time of 29.773 and an average speed of 181.372 mph.

Second and final practice
The second and final practice session, sometimes referred to as Happy Hour, would occur on Thursday, May 24, at 6:05 PM EST, and would last for 45 minutes. Brad Keselowski of Team Penske would set the fastest time in the session, with a time of 29.615 and an average speed of 182.340 mph.

Qualifying
Qualifying would occur on Saturday, May 26, at 10:10 AM EST. Since Charlotte Motor Speedway is under 2 miles (3.2 km), the qualifying system was a multi-car system that included three rounds. The first round was 15 minutes, where every driver would be able to set a lap within the 15 minutes. Then, the second round would consist of the fastest 24 cars in Round 1, and drivers would have 10 minutes to set a lap. Round 3 consisted of the fastest 12 drivers from Round 2, and the drivers would have 5 minutes to set a time. Whoever was fastest in Round 3 would win the pole.

Brad Keselowski of Team Penske would win the pole, setting a time of 29.287 and an average speed of 184.382 mph in the third round.

Race results
Stage 1 Laps: 45 Stage 2 Laps: 45 Stage 3 Laps: 114