This year’s All-Star weekend, May 15-18 at North Wilkesboro Speedway, is a smorgasbord of racing. Not only does it provide a taste of NASCAR’s Cup and Craftsman Truck Series, but it showcases the pit crews in the Pit Crew Challenge, the zMAX CARS Tour Late Models and NASCAR Whelen Modified Series as well.

NASCAR will add a bit of uncertainty to its All-Star event. The league has teased the possibility of adding a competition caution during Laps 101-220 of the 250-lap race but won’t say when ...