Las Vegas Motor Speedway recorded its ninth consecutive NASCAR Sprint Cup Series sellout with Sunday's running of the Shelby American.

Speedway officials sold the final grandstand seats Sunday morning prior to the green flag for the 13th annual event. The capacity crowd marked the largest crowd of the season.

"In what are still challenging economic times, today's turnout is a testament to the popularity of Las Vegas Motor Speedway, this great city and NASCAR's premier racing series," said LVMS president Chris Powell. "We really appreciate the thousands of race fans who chose to spend the day with us."

Tickets for the 2011 NASCAR Weekend are on sale now, and anyone who buys or renews tickets for 2011 will get them at 10 percent off this year's prices if they purchase by April 9. Race fans purchasing before April 9 will be able to pay 33 percent of their invoice on April 9 and have the remainder charged in two additional installments. Fans also will receive a commemorative poster.