Lap by Lap: Pennsylvania 500:

LONG POND, Pa. -- -- Here is a lap-by-lap account of the Pennsylvania 500 at Pocono Raceway:

Lap 200: Jimmie Johnson wins the Pennsylvania 500 for his fourth win of the year

Lap 195: Green flag. Jimmie Johnson leads

Lap 193: Caution out for Kurt Busch's transmission failures

Lap 180: Green flag. Jimmie Johnson leads

Lap 176: Caution out for Bobby Labonte crash

Lap 165: Green flag. Jimmie Johnson leads

Lap 163: Ken Schrader stays out, takes lead

Lap 162: Leaders on pit road, Johnson wins race off pit road

Lap 160: Caution out for Ward Burton spin

Lap 153: Dave Blaney to the garage

Lap 148: Jimmie Johnson leads Mark Martin by 2.580 seconds

Lap 142: Kevin Harvick to the garage

Lap 139: Jimmie Johnson takes lead from Mark Martin

Lap 133: Green flag. Mark Martin leads

Lap 130: Mark Martin scored as leader

Lap 127: Caution out for Jeff Burton, Brendan Gaughan crash

Lap 124: Jeff Gordon takes lead from Dave Blaney

Lap 124: Green flag. Dave Blaney leads

Lap 122: Leaders on pit road

Lap 120: Caution out for debris

Lap 118: Jimmie Johnson takes lead from Casey Mears

Lap 113: Green flag. Casey Mears leads

Lap 110: Casey Mears stays out, retains lead

Lap 109: Caution out for Tony Stewart, Kasey Kahne crash

Lap 105: Dale Jarrett to the garage

Lap 104: Green flag. Casey Mears leads

Lap 103: Dale Jarrett pits, gives up lead to Casey Mears

Lap 102: Dale Jarrett scored as the leader

Lap 101: Leaders on pit road

Lap 100: Caution out for debris

Lap 88: Green flag. Jimmie Johnson leads

Lap 86: Green pits, gives lead to Jimmie Johnson

Lap 85: Jeff Green stays out, retains lead

Lap 84: Leaders in for pit stops

Lap 83: Caution out for Morgan Shephard's blown engine

Lap 82: Jimmie Johnson leads Kurt Busch by 5.286 seconds

Lap 79: John Andretti black-flagged for being too slow

Lap 74: Ryan Newman makes unscheduled pit stop

Lap 68: 31 cars still on the lead lap

Lap 65: Jimmie Johnson leads Kurt Busch by 2.131 seconds

Lap 56: Green flag. Jimmie Johnson leads

Lap 53: No. 8 team makes driver change; John Andretti subbing for Dale Earnhardt Jr.

Lap 52: Leaders pit, Jimmie Johnson retains lead

Lap 51: Caution out for Scott Wimmer spin

Lap 49: 31 cars still on the lead lap

Lap 43: Ryan Newman makes unscheduled pit stop

Lap 42: Jimmie Johnson takes lead from Jeff Gordon

Lap 36: Jason Jarrett to the garage

Lap 36: Jeff Gordon takes lead from Kurt Busch

Lap 36: Pit cycle complete

Lap 36: Ricky Rudd pits, gives up lead to Kurt Busch

Lap 35: Elliott Sadler pits, gives up lead to Ricky Rudd

Lap 34: Jimmie Johnson pits, gives up lead to Elliott Sadler

Lap 33: Joe Nemechek pits, gives up lead to Jimmie Johnson

Lap 31: Green-flag stops begin

Lap 29: Joe Nemechek puts Dale Earnhardt Jr. a lap down

Lap 28: Joe Nemechek has led all 28 laps

Lap 25: Joe Nemechek leads Kurt Busch by 2.930 seconds

Lap 21: Greg Sacks to the garage

Lap 20: 39 cars still on the lead lap

Lap 10: P.J. Jones to the garage

Lap 9: Joe Nemechek leads Kurt Busch by 2.005 seconds

Lap 1: Joe Nemechek leads first lap