NASCAR O'Reilly Series

After slipping two positions in the point standings following last week's event, Eric McClure headed to Auto Club Speedway to improve on last season's 27th-place finish at the two-mile track. Despite starting 33rd, McClure not only posted a 25th-place finish, his second-best at the track, he also rebounded in the point standings, advancing two spots to 25th.

Chris Buescher headed to Auto Club Speedway for the first time this weekend with new partner Roush Performance Parts on board. The Rookie of the Year contender began the day in the 19th position, where he started off with a good race car that allowed him to remain in the top-20 for the entirety of the TREATMYCLOT.COM 300.

In his track debut at Auto Club Speedway, Dylan Kwasniewski drove the No. 31 Rockstar Energy Chevrolet to an 11th place finish in the NASCAR Nationwide Series race on Saturday afternoon.

Making his second-career start at Auto Club Speedway, Kyle Larson didn't back down until the checkered flag waved during Saturday afternoon's NASCAR Nationwide Series race.

After four solid races to start the season, Landon Cassill ran into the gremlins in Race Five Saturday at Auto Club Speedway.

Jeffrey Earnhardt scored his best finish of the young Nationwide Series season Saturday, coming home 23rd in the TreatMyClot.com 300 at Auto Club Speedway.

Starting from the 12th position in the TreatMyClot.com 300 at Auto Club Speedway, James Buescher and the No. 99 Rheem Toyota Camry, were looking like a team that could contend for the victory through the first third of the 150-lap event. With the multiple long green-flag stretches, the handling on the No. 99 started to slip away. The RAB Racing team didn't give up however and continued to battle for a top-10 finish.

Ty Dillon qualified third and was the highest qualifying Richard Childress Racing entry. His other RCR teammates, Brian Scott and Brendan Gaughan started ninth and 10th, respectively.

After getting close to winning last year, Kyle Larson would hold off Kevin Harvick and Kyle Busch in an exciting finish to win the Treatmyclot.com 300 at Auto Club Speedway for his first career Nationwide Series victory.

A Joe Gibbs Racing car took the pole for the TreatMyClot.com 300, but it's not the Toyota that you're thinking. This week, it was Elliott Sadler putting his No. 11 Sport Clips Toyota on the pole for his 16th career pole award.