With the two Joker races now in the books, the championship fight is officially on.

Some classes are separated by just a handful of points, while others have drivers who need a huge weekend at the Raceline Wheels Black Hills Throwdown to keep their championship hopes alive.

Who's your pick?

• Which championship battle is the closest?
• Who's flying under the radar?
• Which driver is about to make the biggest jump in the standings?
• Is your championship favorite still leading, or is someone else about to take over?