The Semifinals begin in Los Angeles where the competing ninjas will face up to 10 challenging obstacles, including new obstacles Wall-to-Wall and the Inverter. For Split Decision, ninjas must choose between an upper body and balance obstacle. The top two runs of the night will face off in the Power Tower where the winner will get a Safety Pass in the National Finals.

The Semifinals continue from Los Angeles where ninjas face up to 10 challenging obstacles, including new obstacle Drop Zone. For Split Decision, ninjas must choose between an upper body and balance obstacle. The top two competitors will face off on the Power Tower where the winner will earn a Safety Pass for the National Finals.