The 2018 Boyd Gaming 300 was the 3rd stock car race of the 2018 NASCAR Xfinity Series season, and the 22nd iteration of the event. The race was held on Saturday, March 3, 2018 in North Las Vegas, Nevada at Las Vegas Motor Speedway, a 1.5 miles permanent D-shaped oval racetrack. The race took the scheduled 200 laps to complete. At race's end, Kyle Larson of Chip Ganassi Racing would dominate and hold off the field on the final restart with 6 to go to win the race, the 9th NASCAR Xfinity Series win of his career and the 1st of his part-time season. To fill out the podium, Christopher Bell for Joe Gibbs Racing and Justin Allgaier of JR Motorsports would finish second and third, respectively.
The 2018 My Bariatric Solutions 300 was the 6th stock car race of the 2018 NASCAR Xfinity Series season, and the 22nd iteration of the event. The race was held on Saturday, April 7, 2018 in Fort Worth, Texas, at Texas Motor Speedway, a 1.5 miles permanent tri-oval shaped racetrack. The race took the scheduled 200 laps to complete. At race's end, Ryan Blaney of Team Penske would dominate and win his 7th and so far final career NASCAR Xfinity Series win, and his first and only of his part-time season. To fill out the podium, Christopher Bell of Joe Gibbs Racing and Daniel Hemric of Richard Childress Racing would finish second and third, respectively.
The 2018 DC Solar 200 was the fourth stock car race of the 2018 NASCAR Xfinity Series season and the 14th iteration of the event. The race was held on Saturday, March 10, 2018 in Avondale, Arizona, at ISM Raceway, a 1 mile permanent low-banked tri-oval race track. The race took the scheduled 200 laps to complete. At race's end, Brad Keselowski of Team Penske would take control after the final pit stops to overcome a penalty and win his 37th career NASCAR Xfinity Series season and his first of his part-time season. To fill out the podium, Justin Allgaier of JR Motorsports and Kyle Busch of Joe Gibbs Racing would finish second and third, respectively.
The 2018 DC Solar 300 was the 26th stock car race of the 2018 NASCAR Xfinity Series season, the final race of the regular season, and the inaugural iteration of the event. The race was held on Saturday, September 15, 2018, in North Las Vegas, Nevada at Las Vegas Motor Speedway, a 1.5 miles permanent D-shaped oval racetrack. The race took the scheduled 200 laps to complete. At race's end, Ross Chastain of Chip Ganassi Racing would dominate, redeeming himself from the 2018 Sport Clips Haircuts VFW 200 to win his first ever NASCAR Xfinity Series career win and his first and only win of the season. To fill out the podium, Justin Allgaier of JR Motorsports and Cole Custer of Stewart-Haas Racing with Biagi-DenBeste would finish second and third, respectively.
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 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.
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. The race was held on Saturday, May 5, 2018, in Dover, Delaware at Dover International Speedway, a 1 mile oval-shaped permanent racetrack. The race took the scheduled 200 laps to complete. 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. Allgaier would also win an extra $100,000 for winning a Dash 4 Cash event. To fill out the podium, Daniel Hemric of Richard Childress Racing would finish third.
The 2018 Food City 300 was the 22nd stock car race of the 2018 NASCAR Xfinity Series season, and the 37th iteration of the event. The race was held on Friday, August 17, 2018, in Bristol, Tennessee at Bristol Motor Speedway, a 0.533 miles permanent oval-shaped racetrack. The race was extended from its scheduled 300 laps to 310 laps due to a NASCAR overtime finish. At race's end, Kyle Larson of Chip Ganassi Racing would be able to told off Joe Gibbs Racing driver Christopher Bell and JR Motorsports driver Justin Allgaier on the overtime restart to win his 12th and to date, final career NASCAR Xfinity Series win and his fourth and final win of his part-time season. Bell and Allgaier would fill the podium, finishing second and third, respectively.
The 2018 Bar Harbor 200 was the 29th stock car race of the 2018 NASCAR Xfinity Series season, the third and final race in the Round of 12, and the 19th iteration of the event. The race was held on Saturday, October 6, in Dover, Delaware at Dover International Speedway, a 1 mile (1.6 km) permanent oval-shaped racetrack. The race took the scheduled 200 laps to complete. At race's end, Christopher Bell of Joe Gibbs Racing would dominate the race to win his seventh career NASCAR Xfinity Series win and his sixth of the season. To fill out the podium, Cole Custer of Stewart-Haas Racing with Biagi-DenBeste and Justin Allgaier of JR Motorsports would finish second and third, respectively.
The 2018 Iowa 250 presented by Enogen was the 14th stock car race of the 2018 NASCAR Xfinity Series season and the 8th iteration of the event. The race was held on Sunday, June 17, 2018, in Newton, Iowa at Iowa Speedway, a 7⁄8 mile permanent D-shaped oval racetrack. The race took the scheduled 250 laps to complete. At race's end, JR Motorsports driver Justin Allgaier would dominate the race to win his seventh career NASCAR Xfinity Series win and his second of the season. To fill out the podium, Christopher Bell of Joe Gibbs Racing and Daniel Hemric of Richard Childress Racing would finish second and third, respectively.
The 2018 O'Reilly Auto Parts Challenge was the 31st stock car race of the 2018 NASCAR Xfinity Series season, the second race in the Round of 12, and the 18th iteration of the event. The race was held on Saturday, November 3, 2018, in Fort Worth, Texas at Texas Motor Speedway, a 1.5 miles permanent tri-oval shaped racetrack. The race took the scheduled 200 laps to complete. A wild finish would see Cole Custer of Stewart-Haas Racing with Biagi-DenBeste best JR Motorsports driver Tyler Reddick with a last-lap pass on the backstretch to win his second career NASCAR Xfinity Series race, his first and only win of the season, and a guaranteed spot in the Championship 4. To fill out the podium, Austin Cindric of Team Penske would finish third.
The 2017 Boyd Gaming 300 was the third stock car race of the 2017 NASCAR Xfinity Series season and the 22nd iteration of the event. The race was held on Saturday, March 11, 2017, in North Las Vegas, Nevada at Las Vegas Motor Speedway, a 1.5 miles permanent D-shaped oval racetrack. The race took the scheduled 200 laps to complete. At race's end, Joey Logano, driving for Team Penske, would hold off the field on the final restart with four to go to complete a dominating run. The win was Logano's 28th career NASCAR Xfinity Series win and his first and only win of the season. To fill out the podium, Kyle Larson of Chip Ganassi Racing and Daniel Suárez of Joe Gibbs Racing would finish second and third, respectively.
The 2017 DC Solar 200 was the fourth stock car race of the 2017 NASCAR Xfinity Series season and the 13th iteration of the event. The race was held on Saturday, March 18, 2017, in Avondale, Arizona at Phoenix International Raceway, a 1-mile (1.6 km) permanent low-banked tri-oval race track. The race took the scheduled 200 laps to complete. At race's end, Justin Allgaier, driving for JR Motorsports, would pull away on the final restart with four to go to win his fourth career NASCAR Xfinity Series win and his first of the season. To fill out the podium, Ryan Blaney of Team Penske and Erik Jones of Joe Gibbs Racing would finish second and third, respectively.
The 2017 My Bariatric Solutions 300 was the sixth stock car race of the 2017 NASCAR Xfinity Series season and the 21st iteration of the event. The race was held on Saturday, April 8, 2017, in Fort Worth, Texas, at Texas Motor Speedway, a 1.5 miles permanent tri-oval shaped racetrack. The race took the scheduled 200 laps to complete. At race's end, Erik Jones, driving for Joe Gibbs Racing, would dominate the race to win his seventh career NASCAR Xfinity Series win and his first of the season. To fill out the podium, Ryan Blaney of Team Penske and Kevin Harvick of Stewart-Haas Racing would finish second and third, respectively.
The 2017 Fitzgerald Glider Kits 300 was the seventh stock car race of the 2017 NASCAR Xfinity Series season and the 35th iteration of the event. The race was held on Saturday, April 22, 2017, in Bristol, Tennessee at Bristol Motor Speedway, a 0.533 miles (0.858 km) permanent oval-shaped racetrack. The race took the scheduled 300 laps to complete. At race's end, Erik Jones, driving for Joe Gibbs Racing, would take the lead with 20 to go to win his eighth career NASCAR Xfinity Series win and his second of the season. To fill out the podium, Ryan Blaney of Team Penske and Daniel Suárez of Joe Gibbs Racing would finish second and third, respectively.
The 2017 OneMain Financial 200 was the 11th stock car race of the 2017 NASCAR Xfinity Series season and the 36th iteration of the event. The race was held on Saturday, June 3, 2017, in Dover, Delaware at Dover International Speedway, a 1 mile (1.6 km) permanent oval-shaped racetrack. The race took the scheduled 200 laps to complete. At race's end, Kyle Larson, driving for Chip Ganassi Racing, would dominate most of the race to win his eighth career NASCAR Xfinity Series win and his third and final win of the season. To fill out the podium, Ryan Blaney of Team Penske and Daniel Suárez of Joe Gibbs Racing would finish second and third, respectively.
The 2017 Pocono Green 250 was the 12th stock car race of the 2017 NASCAR Xfinity Series season and the second iteration of the event. The race was held on Saturday, June 10, 2017, Long Pond, Pennsylvania, at Pocono Raceway, a 2.5 miles (4.0 km) triangular permanent course. The race took the scheduled 100 laps to complete. At race's end, Brad Keselowski driving for Team Penske, would make a last lap pass on the final lap to win his 35th career NASCAR Xfinity Series win and his first win of the season. To fill out the podium, Justin Allgaier of JR Motorsports and Kyle Larson of Chip Ganassi Racing would finish second and third, respectively.
The 2017 Alsco 300 was the 16th stock car race of the 2017 NASCAR Xfinity Series season and the 17th iteration of the event. The race was held on Friday, July 7, 2017, Sparta, Kentucky, at Kentucky Speedway, a 1.5 miles (2.4 km) permanent tri-oval racetrack. Due to inclement weather, the remainder of the race was held on Saturday, July 8. The race took the scheduled 200 laps to complete. At race's end, Kyle Busch, driving for Joe Gibbs Racing, scored his 88th career win in the xfinity series. He would hold off Ryan Blaney and Erik Jones for the win.
The 2017 Lilly Diabetes 250 was the 18th stock car race of the 2017 NASCAR Xfinity Series season and the sixth iteration of the event. The race was held on Saturday, July 22, 2017, in Speedway, Indiana, at Indianapolis Motor Speedway a 2.500 miles permanent, rectangular-shaped, low-banked racetrack. The race took the scheduled 100 laps to complete. In an exciting battle with 5 laps to go, William Byron, driving for JR Motorsports, held off a charging Paul Menard for his third career NASCAR Xfinity Series win. To fill out the podium, Joey Logano of Team Penske would finish third, respectively.
The 2016 Boyd Gaming 300 was the 3rd stock car race of the 2016 NASCAR Xfinity Series season and the 20th iteration of the event. The race was held on Saturday, March 5, 2016, in Las Vegas, Nevada, at Las Vegas Motor Speedway a 1.5 miles permanent D-shaped oval racetrac. The race took the scheduled 200 laps to complete. Kyle Busch, driving for Joe Gibbs Racing led a dominating 199 out of 200 laps to earn his 78th career NASCAR Xfinity Series win and his second of the season. To fill out the podium, Daniel Suarez of Joe Gibbs Racing and Erik Jones, also of Joe Gibbs Racing, would finish second and third, respectively.
The 2017 Food City 300 was the 22nd stock car race of the 2017 NASCAR Xfinity Series season and the 36th iteration of the event. The race was held on Friday, August 18, 2017, in Bristol, Tennessee at Bristol Motor Speedway, a 0.533 miles permanent oval-shaped racetrack. The race took the scheduled 300 laps to complete. At race's end, Kyle Busch, driving for Joe Gibbs Racing, put on a dominating performance, leading 186 laps for his 91st career NASCAR Xfinity Series win, and his fifth of he season. To fill out the podium, Daniel Suárez, driving for Joe Gibbs Racing, and Elliott Sadler, driving for JR Motorsports, would finish second and third, respectively.
