The second part of the Burton Am Series took place in Park City's massive superpipe. The riders slashed and slayed their way through the 22-foot walls in hopes of landing first place and a qualifying spot in the US Open. Photos by Katie Panzer. Burton Am Series: Superpipe February 3, 2011 SHARE THIS: Facebook Twitter Your donations allow us to share underrepresented stories for FREE! Donate $10 Choose Amount