(Mercer, PA April 29, 2017): Due to overnight rain expected to extend into the afternoon, racing for this evening has been canceled.  We will see everyone next Saturday, May 6th, for Tony Stewart’s Arctic Cat All Star Circuit of Champions Sprint Cars along with the Turn 4 Toilets 358 Modifieds, and the Bonnell’s Rod Shop 305 Sprints. Those divisions will race for full points, while the Precise Racing Products 410 Sprints will earn show points for this event.