Lap by Lap: Samsung Mobile 500 won by Greg Biffle

In the quickest race in Texas Motor Speedway history, Greg Biffle passed Jimmie Johnson with 30 laps to go and never looked back, snapping a 49-race winless streak.

Green Flag

Lap 1: Martin Truex Jr. leads the first lap

Lap 10: Truex leads Greg Biffle, Kasey Kahne, Marco Ambrose, Matt Kenseth, Mark Martin, Jamie McMurray, Paul Menard, Jimmie Johnson and Ryan Newman.

Lap 14 Amborse, Kenseth and Martin pass Kahne; Denny Hamlin passes Newman

Lap 27 Truex leads Biffle, Kenseth, Ambrose, Martin, Johnson, McMurray, Kevin Harvick, Menard, Carl Edwards

Lap 36 Biffle leads Truex, Kenseth, Ambrose, Martin, Harvick, Johnson, Edwards, Keselowski, Dale Earnhardt Jr.

Lap 37 Kenseth passes Truex for second

Lap 39 Harvick passes Martin for fifth

Lap 41 Harvick passes Ambrose for fourth

Lap 45 to 48 the leaders pit

Lap 49 Biffle now leads

Lap 52 Biffle leads Harvick, Truex, Kenseth, Martin, Ambrose, Keselowski, Johnson, Edwards, McMurray

Lap 64 Biffle leads Harvick, Truex, Kenseth, Martin, Ambrose, Johnson, Keselowski, McMurray and Edwards

Caution Lap 67 Debris…….The leaders go down pit road…….Truex leads Biffle, Martin, Johnson, Ambrose, Edwards, Keselowski, Harvick, Earnhardt Jr., McMurray, Kyle Busch, Menard, Tony Stewart, Jeff Gordon and Jeff Burton

Restart Lap 72

Lap 73 Truex and Biffle are side-by-side for the lead

Lap 75 Biffle clears Truex for the lead

Lap 76 McMurray passes Earnhardt Jr.

Lap 77 Biffle leads Truex, Kenseth, Johnson, Martin, Ambrose, Edwards, Keselowski, McMurray and Harvick

Lap 79 Kenseth passes Truex

Lap 82 Kenseth to the lead past Biffle

Lap 86 Kenseth, Biffle, Martin, Johnson, Truex, Ambrose, Edwards, Keselowski, McMurray and Gordon

Lap 88 McMurray passes Keselowski for eighth

Caution Lap 95 Trevor Bayne gets into the wall……Leaders head down pit road…..

Restart Lap 101

Lap 102 Biffle now leads the field.

Lap 105 Biffle leads Johnson, Truex, Kenseth, Ambrose, Martin, Keselowski, Allmendinger, Gordon and Kyle Busch

Lap 111 Earnhardt Jr. passes Busch for 10th

Lap 114 Johnson passes Biffle for the lead

Lap 115 Gordon passes Allmendinger for eighth

Lap 117 Earnhardt Jr. passes Gordon for ninth

Lap 118 Johnson leads Biffle, Truex, Kenseth, Ambrose, Martin, Keselowski, Gordon, Earnhardt Jr., Allmemdinger

Lap 123 Kenseth passes Truex for third

Lap 125 Earnhardt Jr. passes Gordon for eighth

Lap 127 Johnson leads Biffle, Kenseth, Truex, Ambrose, Martin, Keselowski, Earnhardt Jr., Gordon, Harvick

Lap 139 Johnson leads Biffle, Kenseth, Truex, Ambrose, Keselowski, Martin, Earnhardt Jr., Gordon, Harvick

Lap 141 Juan Pablo Montoya hits pit road as the leaders begin hitting pit road.

Lap 147 Leaders Johnson and Biffle pit, handing the lead to Truex

Lap 148 Truex leads Kenseth, Martin, Johnson and Earnhardt Jr.

Lap 156 Keselowski is having motor problems

Lap 159 Truex leads Kenseth, Johnson, Martin, Biffle, Earnhardt Jr., Harvick, Gordon, Allmendinger, Denny Hamlin

Lap 160 Johnson passes Kenseth for second; Gordon passes Harvick for seventh

Lap 180 Truex leads Johnson, Kenseth, Martin, Biffle, Gordon, Earnhardt Jr., Harvick, Ambrose, Allmendinger

Lap 181 Johnson takes the lead

Lap 184 Pit stops begin……

Lap 186 Leader Johnson hits pit road

Lap 189 Pit cycle complete. Johnson is the leader once again.

Lap 197 Johnson leads Martin, Biffle, Kenseth, Truex, Harvick, Earnhardt Jr., Gordon, Ambrose and Allmendinger

Lap 200 Gordon passes Earnhardt Jr. for seventh

Lap 203 Hamlin passes Allmendinger for 10th

Lap 214 Johnson leads Biffle, Martin, Kenseth, Truex, Gordon, Harvick, Earnhardt Jr., Ambrose and Hamlin

Lap 228 Johnson leads Biffle, Martin, Kenesth, Truex, Gordon, Earnhardt Jr., Ambrose, Harvick, Hamlin, Kahne

Lap 229 Harvick comes down pit road so Hamlin and Kahne both pass him

Lap 230 Martin comes down pit road from third position

Lap 231 Trevor Bayne and Juan Pablo Montoya pit along with Jeff Burton, Denny Hamlin

Lap 232 Marco Ambrose, Kyle Busch, Carl Edwards, Dale Earnhardt Jr. pit

Lap 233 Clint Bowyer, Kasey Kahne, Martin Truex Jr., Ryan Newman pit

Lap 234 Jimmie Johnson pits from the lead, followed by Greg Biffle, Matt Kenseth. Pit cycle complete, handing the lead to Johnson over Biffle.

100 to go Johnson leads Biffle, Martin, Kenseth and Truex

96 to go Johnson leads Biffle, Martin, Kenseth, Truex, Gordon, Harvick, Ambrose, Earnhardt Jr., and Kahne

71 to go Gordon passes Truex for fifth; Kahne passes Earnhardt Jr. for ninth

67 to go Gordon passes Kenseth for fourth

59 to go Ambrose passes Harvick for seventh

58 to go Johnson leads Biffle, Martin, Gordon, Kenseth, Truex, Ambrose, Harvick, Kahne, Earnhardt Jr.

55 to go Kahne passes Harvick for eighth as Joey Logano pits. Harvick joins Logano on pit road.

54 to go Regan Smith pits

53 to go Denny Hamlin, Carl Edwards, Allmendinger, Bowyer, Mears pit

52 to go Almirola, Kyle Busch, Mark Martin, Kasey Kahne, Martin Truex Jr. pit

51 to go Greg Biffle, Jimmie Johnson, Matt Kenseth, Kurt Busch, Marco Ambrose, Dale Earnhardt Jr., Jamie McMurray pit.

50 to go Tony Stewart and Jeff Gordon pits handing the lead back to Jimmie Johnson

49 to go Johnson leads Biffle, Martin, Kenseth, Gordon, Truex, Harvick, Ambrose, Kahne and Hamlin

46 to go Ambrose passes Harvick for seventh

44 to go Earnhardt Jr. passes Hamlin for 10th

41 to go Kahne passes Harvick for eighth

40 to go Johnson leads Biffle, Martin, Kenseth, Gordon, Truex, Ambrose, Kahne, Harvick and Earnhardt Jr.

37 to go Gordon passes Kenseth for fourth

30 to go Biffle takes the lead from Johnson

24 to go Biffle leads Johnson, Martin, Gordon, Kenseth, Truex, Ambrose, Kahne, Harvick, Earnhardt Jr.

21 to go Trevor Bayne got into the wall but no caution

17 to go Kahne passes Ambrose for seventh

15 to go Johnson gets into the wall

13 to go Edwards passes Earnhardt Jr. for 10th

6 to go Edwards passes Harvick for ninth

Final Lap – Marco Ambose is slow and out of gas.

Greg Biffle wins followed by Johnson, Martin, Gordon, Kenseth, Truex, Kahne, Edwards, Harvick, Earnhardt Jr.

About Ashley McCubbin 3102 Articles
Joining OnPitRoad.com mid-2013 season, Ashley McCubbin is now the Managing Editor and contributes to each racing division as needed. Since studying journalism at the University of Guelph-Humber, Ashley has published articles on a couple of different websites, while serving as a public relations representative for different short track teams. Born in North York, Ontario, Ashley currently lives in Bradford, Ontario and spends her weekend at the local short tracks in the area. She has spent her entire life at the short track level, falling in love with the sport at the age of five. Beyond her love of short track racing, she also has grown an interest for both NASCAR and the IndyCar Racing Series. She also enjoys taking photos and working on websites, while playing a couple rounds of Candy Crush afterwards.