Calle Alexander is a 3 time competitor in American Ninja Warrior.
He first competed in American Ninja Warrior 8 in Altanta. He qualifying run was digest, but it was shown that he had failed on the Pipe Fitter and didn't make the top 30.
He returned to compete in American Ninja Warrior 9 in Kansas City. His qualifying run was completely cut, but it was known that he had failed on the Broken Pipes, once again not making the top 30.
He returned to compete in American Ninja Warrior 10 in Miami. His qualifying run was once again cut, but he managed to clear the course with the 3rd fastest time. His run in city finals was digest, but it was shown that he failed on the Salmon Ladder and just missed on advancing to Las Vegas as he placed 16th overall.