MINNEAPOLIS (WCCO) — It has being described as the ultimate snowmobiling challenge.

“Red Bull Snow Boundaries” is the first-of-its-kind, endurance-based race that is a mix of snow cross and cross-country racing.

More than 200 racers will be in Minnesota for the competition.

The event is Saturday at ERX Motor Park in Elk River. Racing begins at 2 p.m. and there is an after party at Rockwoods Bar & Grill at 6 p.m.

The best part — it’s free for spectators! Click here for more information.