answers: Richard Petty
context: time since 2009 in Montreal's NNS event. Sam Hornish, Jr. led over 25 laps and dominated. However Alex Tagliani controlled the second half of the race. When he was about to take the white flag, a yellow flag period began. Just after the caution came out, Tagliani ran out of gas and stalled at the start/finish line. Brendan Gaughan prevailed after holding off a charge from deep in the pack by Tagliani for his first NNS win. In 2015, the race was moved from June to the last weekend of August and it takes place during an off-weekend for the </s> the rain shortened 2009 Daytona 500, passing Elliott Sadler mere moments before the caution came out on lap 146 as the result of an accident on the backstretch between Aric Almirola and Sam Hornish, Jr. The red flag was later waved and subsequent end of the race, 152 laps in, followed, giving Kenseth his first Daytona 500 victory, and the first Daytona 500 victory for his owner Jack Roush after 20 years as a car owner. He led only 1 green flag lap (of 7 laps led), after starting the race at the rear of the field. It was Kenseth's </s> Miss America 2009, performed the national anthem. At 1:08 pm, University of Alabama head football coach, Nick Saban, delivered the starting command. During the pace laps, Scott Speed made an emergency last-minute pit stop, causing him to start the race 1 lap down, since the Talladega races are impound races. Before the green flag, six drivers (including all four Richard Petty Motorsports cars) had to move to the back of the field due to engine changes: Brad Keselowski, Kasey Kahne, David Stremme, Elliott Sadler, Reed Sorenson, and A. J. Allmendinger. Robby Gordon was also forced to start at the rear
question: who has led the most laps at martinsville