The Straight Talk Wireless 400 is a NASCAR Cup Series race held at Homestead–Miami Speedway since 1999. The race is currently held as a 267 lap, 400.5 mile race. Kyle Larson is the defending winner of the event. From Wikipedia
Reddick's last-lap maneuver at Homestead-Miami propels him into the NASCAR Cup Series Championship 4, leaving Ryan Blaney and Denny Hamlin behind.