Can't you program the DVR for just "NHRA"? That's how I do mine & it gets it all. I just adjust the time for the Pro Mod & Sportsman show (don't need the extra 2 hours and since they're back 2 back I don't want to miss one).
As for Sunday, I think that the additional broadcast was added so late that the cable companies didn't have time to change the name. I manually DVR'd the program that was scheduled @ 10

m(ET) which was SportsCenter.