Sebastian Chrismer is a student from McAllen, Texas, who is one of Abel Gonzalez's students. He first competed in American Ninja Warrior Junior 3.
American Ninja Warrior Junior 3[]
Sebastian first competed in Episode 2, of American Ninja Warrior Junior 3. His first race was between him and Asa Reynolds, which Chrismer lost. He then lost his Knockout Race to Jackson Erdos, with Chrismer falling at Sideways.
American Ninja Warrior 15[]
He made his debut on the big show in American Ninja Warrior 15, competing alongside his mentor Abel Gonzalez. He competed in the seventh round of qualifying, where he made it to the Lasso Launch before falling into the drink. He placed 6th overall in the top 13. He later competed in the third round of semifinals, where he managed to upset Grant McCartney who fell on Sideways, while Chrismer made it to Slingshot. As such, he advanced to Vegas as a rookie. On Stage One, his run was digested, but he was one of many to fail the Jumping Spider.
American Ninja Warrior 16[]
He then competed on American Ninja Warrior 16, he competed in the seventh round of qualifying and he shockingly failed Dangerous Waters landing him in 15th place not moving on.