Daytona Speedweeks: Storylines for main events at Daytona

Storylines for this week’s key events at Daytona International Speedway, leading up to the Daytona 500 on Feb. 22:

Thursday

Duel at Daytona qualifying races, 7 p.m., FS1

NASCAR’s new electronic pit road monitoring system is in place for the first time in Thursday night’s Gatorade Duel qualifying races.

Saturday

Xfinity series Florida 300, 3:30 p.m., FS1

Before Chase Elliott replaces Jeff Gordon in the Sprint Cup Series in 2016, he looks to repeat as champion of the Xfinity Series, starting at Daytona.

Feb. 22

Daytona 500, 1 p.m., FOX

Kevin Harvick wants another Sprint Cup title. Dale Earnhardt Jr. is still searching for his first. And Jimmie Johnson wants a seventh. The quest begins.

This story was originally published February 14, 2015 at 12:00 AM with the headline "Daytona Speedweeks: Storylines for main events at Daytona."