Steven Moul is a 25 year old competitor that has autism. He first competed in Kansas City on American Ninja Warrior 7.
It was revealed that prior to his appearance, he had always dreamt of competing on competing on the ANW course. He was able to do so in American Ninja Warrior 7 at the eligible age of 21.
Moul took a cautious approach on the Quintuple Steps, and ultimately completed it. Although he later failed the second obstacle, the Big Dipper, he was applauded greatly for his efforts, making a courageous attempt to do so.
He returned in Season 9, once again in Kansas City. He bested his performance from two years ago, making it to the third obstacle, the Broken Pipes, however he failed to complete it, thus ending his sophomore season.
He returned to compete in Indianapolis. His run was once again all cut, but he was revealed to have failed the Wheel Flip, the third obstacle in qualifying.