Kyle Larson is the leader at the halfway point (134 laps) of the scheduled 267-lap NASCAR Sprint Cup Chase for the Championship-deciding Ford EcoBoost 400 at Homestead-Miami Speedway.
Larson took the lead on Lap 126. Carl Edwards is second and Kevin Harvick is third.
As for the other Championship 4 drivers battling it out for the title, Joey Logano is fourth, Kyle Busch is fifth and Jimmie Johnson 10th.
Johnson was forced to start the race from the back of the field after unapproved modifications were found during pre-race inspection.
Harvick has led the most laps of any driver (79), followed by Edwards (36).
Tony Stewart, making his final Sprint Cup career start, is running 29th. It is also the final race for Brian Scott, who is retiring after just one year in Sprint Cup competition.
There has only been two cautions for nine laps.
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