Depending on your geography, the start of snow bike season might finally be here. These modified dirt bikes have snowmobile-like treads at the rear, a ski at the front, and look like an absolute blast in the frozen white stuff.

We’re sure that any time two snow bikes find themselves together, that some form of racing ensues. But now, to make things a bit more legit, the American Motorcyclist Association has officially sanctioned snow bike racing, starting the AMA Championship Snow Bike series in the process.