Jonathan Parr is a physical therapist who first competed in Dallas in American Ninja Warrior 6. His run was cut but he failed the Ring Toss, not making the top 30.
He later returned to compete in Houston in American Ninja Warrior 7. He completed the qualifying course placing 15th, in the city finals his run was digested but it was shown that he failed the Walking Bar but placed 15th again and moved on to the national finals, On Stage 1, he failed the Sonic Curve.
He competed in Oklahoma City in American Ninja Warrior 8. There, his run was cut but he failed the Log Runner.
Jonathan returned to compete in San Antonio in American Ninja Warrior 9 where he cleared the qualifying course once again, placing 16th. In the city finals, he was one of the many competitors that failed the dreaded Hourglass Drop, he did not get a spot in the national finals, because he didn’t get to the obstacle in a fast enough time, he placed 20th overall.
He returned once again in Dallas in American Ninja Warrior 10, but he fell on the Tuning Forks and did not move on.