Tyler Gillett is a delivery driver for Jimmy John's who just turned 21 only a few months before his rookie season in season 9, thus enabling him eligible for him to compete. Gillett is a superfan on ANW who has been submitting videos of him and his friends doing ANW obstacles ever since the age of 14.
Gillett finally got his chance at the age of 21 in American Ninja Warrior 9, where he competed in the Daytona qualifying course and became the first finisher of the night. He completed the course in 2:17.23, a quick time only Travis Rosen and Drew Drechsel beat, and placed 3rd overall. In the city finals, Gillett impressed many by making it all the way to the Circuit Board. Gillett placed 7th overall and advanced to the national finals. in Vegas he was one of 41 competitors that finished Stage 1, he finished with 18.36 seconds left on the clock. His run on Stage 2 was digested but it was shown that he was one of 7 competitors that failed the Wave Runner.