Busch, Wallace lead XFINITY Series practices

RAB Racing's Justin Marks also showed plenty of momentum in his No. 29 Toyota, posting the second-fastest speed of 190.496 mph.

JGL Racing's Mike Wallace (190.018 mph), Roush Fenway Racing's Darrell Wallace Jr. (189.661 mph) and Richard Childress Racing's Ty Dillon (189.550 mph) rounded out the top five.

2014 champion Chase Elliott powered his No. 9 JR Motorsports Chevrolet around the Florida oval at 187.966 mph, ranking 24th among the group.

FINAL XFINITY PRACTICE | Full results

Circling Daytona International Speedway at 187.009 mph, Mike Wallace led the NASCAR XFINITY Series field during Friday's final practice for the Alert Today Florida 300 (Saturday, 3:30 p.m. ET, FOX Sports 1). Wallace also posted the third-fastest speed in the series' opening practice and was the only top-five driver from the first session to make another run in the final practice.

Close behind Wallace was Richard Childress Racing's Brian Scott, who propelled his No. 2 Chevrolet around the Florida track second-fastest at 186.997 mph.

A trio of Chevys rounded out the top five: Billy Boat Motorsports' Chad Boat (186.931 mph), Jeremy Clements Racing's Jeremy Clements (186.305 mph) and JD Motorsports' Ross Chastain (185.743 mph), respectively.

Several drivers neglected to make a run in final practice, including 2014 champion Chase Elliott, who posted the 24th-fastest time in the first practice. Opening practice leader Kyle Busch also stayed off the track in the final session.

The XFINITY Series returns is the track on Saturday at 12:15 p.m. ET for Coors Light Pole qualifying with coverage on FOX Sports 1.

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