Karson Voiles is a four time American Ninja Warrior competitor. He first competed in American Ninja Warrior 5 where his run was digested and showed that he failed the Grip Hang like many that day.
Carson returned for American Ninja Warrior 6 he competed in Denver and completed the course in 2:00:36. In the City Finals he made it all the way to the Doorknob Arch and placed 9th good enough for Las Vegas. There his run was Digested but it showed that he got a bad bounce off the mini trampoline and couldn't stick into Jumping Spider and fell.
He then returned to American Ninja Warrior 7 and competed in Kansas City. His Qualifying run was all cut, but he cleared it in 2:18:28. In the City Finals his run was digested but it showed him falling on the new modified Body Prop. But he ended up placing 11th and for the second year in a row made it to Las Vegas. There his run was digested but it showed that he cleared Stage 1. On Stage 2 his run was digested again but it showed him falling on Roulette Row when he got a bad bounce off of the mini Trampoline and couldn't grab the the first cycle.
Karson competed on the first season of Team Ninja Warrior where he was captain of team Karsonic Boom. Voiles, along with teammates Brandon Barrett and Beth Higginbotham competed during the fourth episode along with the teams, the Think Tank, The Wild Bunch and finalist Team Ronin.
In American Ninja Warrior 8 he was not invited back to compete despite his success in the previous season.
In American Ninja Warrior 9 he returned in Denver qualifying, although his run was all cut it was shown he fell on the new and difficult Rail Runner which was good enough for him to advance to the city finals. In the finals, his run was digested but it was shown he failed the Wedge.
In Vegas, his run was digested again but it was shown he cleared the course and moved on to Stage 2. In Stage 2, he was digested again but it was shown he failed the Wingnut Alley.