Casey Finley was a competitor in American Ninja Warrior 5. He completed the Denver qualifying course but in the finals he was unsure that he was too short to reach the second to last pole without jumping but still advanced to Vegas. In Stage One, He completed it with ease. On Stage Two, his run was cut from broadcast but he cleared with 41.38 the all-time fastest stage 2 clear. On Stage Three however. he failed early on the Roulette Cylinder.
Finley has not competed in American Ninja Warrior since.