Cheryl Maas of the Netherlands makes a practice run during Polartec Big Air Day 1 at Fenway Park on February 11, 2016. (Photo by Maddie Meyer/Getty Images)
Big Air At Fenway Park
A snowboarder makes a run during the second heat of Polartec Big Air Day 1 at Fenway Park on February 11, 2016. (Photo by Maddie Meyer/Getty Images)
Big Air At Fenway Park
A snowboarder makes a run during the second heat of Polartec Big Air Day 1 at Fenway Park on February 11, 2016. (Photo by Maddie Meyer/Getty Images)
Big Air At Fenway Park
A snowboarder makes a run during the second heat of Polartec Big Air Day 1 at Fenway Park on February 11, 2016 in Boston, Massachusetts. (Photo by Maddie Meyer/Getty Images)
Big Air At Fenway Park
Spencer O'Brien of Canada makes a practice run during Polartec Big Air Day 1 at Fenway Park on February 11, 2016. (Photo by Maddie Meyer/Getty Images)
Big Air At Fenway Park
A general view of the Green Monster during Polartec Big Air Day 1 at Fenway Park on February 11, 2016. (Photo by Maddie Meyer/Getty Images)
Big Air At Fenway Park
A general view of the ski and snowboarding ramp at Fenway Park ahead of the Polartec Big Air at Fenway. (Photo by Maddie Meyer/Getty Images)
Big Air At Fenway Park
A general view of the ski and snowboarding ramp at Fenway Park ahead of the Polartec Big Air at Fenway. (Photo by Maddie Meyer/Getty Images)
Big Air At Fenway Park
A general view of the ski and snowboarding ramp at Fenway Park ahead of the Polartec Big Air at Fenway. (Photo by Maddie Meyer/Getty Images)
Big Air at Fenway Park
A skier makes a practice run down the ski and snowboarding ramp at Fenway Park ahead of the Polartec Big Air at Fenway Event. (Photo by Maddie Meyer/Getty Images)
Big Air At Fenway Park
A skier makes a practice run down the ski and snowboarding ramp at Fenway Park ahead of the Polartec Big Air at Fenway Event. (Photo by Maddie Meyer/Getty Images)
Big Air At Fenway Park
A skier makes a practice run down the ski and snowboarding ramp at Fenway Park ahead of the Polartec Big Air at Fenway Event. (Photo by Maddie Meyer/Getty Images)
Big Air At Fenway Park
(Screen grab from WBZ-TV)
Big Air At Fenway Park
(Screen grab from WBZ-TV)
Big Air At Fenway Park
Sunrise at the Fenway Park Big Air ramp. (Susie Steimle/WBZ)
Karly Shorr
Karly Shorr practices for the Ladies Snowboarding final round during Polartec Big Air Day 1 at Fenway Park. (Photo by Maddie Meyer/Getty Images)
Fans at Fenway
Fans watch the snowboarding finals practice at Fenway Park. (Photo by Maddie Meyer/Getty Images)
Charles Guldemond Celebrates
Charles Guldemond celebrates after his final run. (Photo by Maddie Meyer/Getty Images)