This Weekend's Racing Guide: F1 Returns to Spa, NASCAR Revives North Wilkesboro, and NHRA Hits Sonoma (July 16-19)

The July 16-19 weekend is stacked from Belgium to Tennessee to California, with seven different series sharing the same four days. Consider this your racing weekend guide: after last week's slate, Formula 1 returns from its summer break for the Belgian Grand Prix at Spa-Francorch