The 2017 Ford EcoBoost 300 was the 33rd and final stock car race of the 2017 NASCAR Xfinity Series season, the Championship 4 race, and the 23rd iteration of the event. The race was held on Saturday, November 18, 2017, in Homestead, Florida at Homestead–Miami Speedway, a 1.5 miles (2.4 km) permanent oval-shaped racetrack. The race took the scheduled 134 laps to complete. At race's end, Cole Custer, driving for Stewart-Haas Racing, would dominate the race to take his first career NASCAR Xfinity Series victory and his only victory of the season.