Adrenaline: Athlete Profile

Blaine Stephenson is a professional snowmobile racer from Hutchinson, Minnesota who has overcome traumatic injuries to emerge as a competition champion.

One of the top professional snowmobile racers in North America, Gunnar Sterne is chasing new victories to propel himself and his team to new heights--but competition is fierce, with others looking to steal the glory.

Travis Macdonald is driven to excel in his sport of ice oval racing. An unfortunate collision on one of the biggest race events of the year may affect his ability to reach his goals.

Speeding around an oval ice track at up to 100 miles per hour with little protection in case of a crash isn't for everyone--but Nick Van Strydonk is determined to put his nerves to the side in order to defend his championship status.

Being one of the only young women in the male dominated sport of competitive snowmobiling is tough. Kendra Westlund shows what it takes to triumph against the men.

Amber and Emily Stevens are two sisters passionate about competitive snowmobile racing who can agree on one thing--the need to support one another in the fiercely male dominated sport.