Nika Muckelroy is an Metallurgical Engineer from Houston, TX. who competed in American Ninja Warrior 5. In American Ninja Warrior 5, Nika became the first woman to get to the sixth obstacle on a qualifying course. But due to fatigue, she wasn't able to clear the Warped Wall. She competed in Las Vegas as a wildcard but wasn't able to get a good jump on the Giant Cycle and failed. In American Ninja Warrior 6, she was expected to become the first woman to complete a qualifying course, but she got tripped up at the dangerous Tilting Table, and injured her shoulder. She has not returned to American Ninja Warrior since.