"Red Bull Snow Boundaries will crown the ultimate snowmobile champion in a race unlike any other. Featuring a grueling 13-mile loop, racers will face an unrelenting onslaught of natural and man ...

all-wheel-drive race pickups equipped with studded snow tires, making for some of the most hair-raising side-by-side racing action you can find. The event — "Frozen Rush," Red Bull calls it ...

Driving on ice and snow is a whole other animal ... photos and stories at Red Bull Frozen Rush.