Nathan Tucker is a biology student and former navy veteran.
Tucker had first competed in San Pedro in American Ninja Warrior 7. In qualifying, his run was cut but it was revealed that he failed the I-Beam Cross but placed 11th overall at the end of the night.
In the city finals, he failed the Salmon Ladder but placed 14th overall and moved on to Vegas.
His run on stage 1 was cut, but it was revealed that he finished the course with 4.66 seconds left. His stage 2 run was also not shown, but failed the Unstable Bridge.
Nathan returned in American Ninja Warrior 9 in Kansas City. Although his run was cut, he couldn't even pass the first obstacle, going out on the Floating Steps in qualifying.