Olympic big air gold medalist and two-time X Games slopestyle champion Seb Toutant conquers an icon, going big on the most iconic stair set in Philadelphia. Inspired by the famous Rocky movie sequence on the legendary steps in 1976, in which the boxer played by Sylvester Stallone runs up them as part of his training, the 26-year-old attempted a 72 stair multi-kinked rail slide.

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