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Tyler Cobb/The Park Record Trevor Jacob smiles as he comes to a stop following his men's finals victory. Second-place finisher Hagen Kearney points to Jacob after losing the lead in the final few feet of the race at Canyons Resort on Saturday, March 2.
Trevor Jacob is a thrill-seeker.

That's why he switched to snowboardcross after starting his career in a different discipline.

"I used to ride halfpipe and it got really boring for me," he said. "So I saw Hagen (Kearney) and a couple other friends doing this and I thought, 'Aw, that looks so fun.'"

Now, after just three career snowboardcross races, he's the U.S. national champion, finishing first in the U.S. Grand Prix at Canyons on Saturday.

"I don't even know what to think," he said. "I'm really stoked. It's great to be out here with all your friends riding."

Jacob said the tight turns and fast speeds are what he likes about SBX.

"It's super sketchy when everyone comes into the corner at once," he said. "That's what I like about it; it's so risky."

His thrill-seeking has gotten him into trouble before.

U.S. Grand Prix Finals

Trevor Jacob won the Mens Finals competition in the 2013 U.S. Grand Prix at Canyons Resort in Park City, Utah.

Once, he was arrested after jumping over a moving train on his snowboard in Tahoe. He spent two days in jail and was fined $100. He also spent time in jail for train hopping in Ohio.

"I'm a little obsessed with trains," he said, showing off a train tattoo on his right bicep.

Jacob also participates in some Nitro Circus events. Nitro Circus is a group started by Travis Pastrana that travels the world doing extreme stunts.

"Those dudes are nuts," he said. "You feel like you are going to die every second you are with them."

Compared to that, snowboardcross is a walk in the park for Jacob, who takes risks some riders wouldn't consider.

"He's wild," Kearney said. "That kid's crazy. But he's a star and one of my best friends."

Kearney and Alex Tuttle finished second and third respectively, capping off an American podium sweep.

On the women's side, American Faye Gulini defended her national title, cruising to victory. Canada's Michelle Brodeur finished second and Simona Meiler of Switzerland took third. American Brooke Shaw originally finished second, but was disqualified for missing a gate at the end of the course.

Gulini also won the national championship in 2012 but said defending the title was difficult.

"I was pretty nervous at first because I knew I had expectations," she said. "But it was fun and my family was here."