A young extreme sports fan from Minnesota suffered a minor injury after a snowmobile jump trick bucked its driver and the machine careened out of control into a thin line of spectators in Colorado on Sunday night.

The 11-year-old's father, Jeremy Bester of Prior Lake, Minn., yanked his son, Riley, out of the way of the snowmobile and the boy hit his knee on a parked car, KARE 11 and USA Today reported.

He was checked out by medical staff and released to his father, KARE says.

At the X Games event, Australian competitor Jackson Strong had been attempting a backflip over his sled as both Strong and the snowmobile were sailing through the air. But Strong lost his grip on the snowmobile, fell to the ground and then popped up to scramble out of the way of the machine. The riderless snowmobile drove off on its own, slammed through a fence where spectators had been watching the event, Bester pulled his son from danger, and the snowmobile slowed to a stop.

"It really wasn't scary because we're around sleds all the time," Bester said.

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