Go fast on the track and leave your rivals behind in the IndyCar Series, which is back in Featured Multiplayer this week alongside the Forza GT3 Series and Forza Touring Car Series. You can also check out the Forza Proto-H Series and the Formula Mazda Series for even more competitive racing options. In addition, there’s the Birth of Grand Prix Series and Lotus 3-Eleven Spec Series. Rounding out this week of stacked racing events is the Multi-Class Series and AWD Series.