Adrenaline: Athlete Profile

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

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.

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.

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.

Tom Olsen is a professional ice oval snowmobile racer. He has a drive to compete and win at his sport, but the dangers of racing are a constant threat he must manage.

In the dangerous sport of competitive snowmobile racing, one wrong move can ruin a career. Colt Dellandrea and his family come face to face with what this means one dark night on the racetrack.

Leann Florence is on a mission to be the best powerlifter she can be. She's not only determined to develop herself, but to inspire others to live their best and healthiest lives.

David Garvey is determined to show that even after a long absence from his powerlifting career, he has what it takes to compete in the sport and continually strive to improve.

You're never too old to make a comeback--that's what David Hrynkow is determined to prove upon his return to his hometown of Winnipeg, Canada.

Competing in national powerlifting competitions takes a tremendous amount of drive. How do things change when your girlfriend is also your coach? This is Jorrel Marisigan's story.

For Krista Sanger, powerlifting is more than just a sport. It's a way of life for her that's helped her find empowerment and self-love.

Three generations of active black belt taekwondo competitors in one family is rare. Learn how the Bernier family uses taekwondo to strengthen their bond with one another and strive for excellence.

Hayden Macnab is a national level taekwondo competitor with his sights set on winning an international competition. His journey to get there from smalltown Manitoba isn't an easy one, though.

Maguire Uruski loves to win and loves to compete in his sport of motocross. Learn what drives him to excel, despite the risks.

Bryce Wadge takes motocross seriously. Despite being seriously injured on more than one occasion, he's determined to continue competing. Learn what drives him.

Nerves are professional racer Cam Toole's worst enemy--learn how the motocross racer learns to conquer his own mind to succeed on the track.

Tae-Ku Park is a high-performance taekwondo competitor. He is a fourth generation black belt martial artist. Learn the critical role family plays in helping him achieve his goals.