McKinley Pierce is a bookseller from Vermont. At a height of 5'1, Pierce is known for her nickname, Lady Mighty Mouse.
She first competed in American Ninja Warrior 8 as a walk-on.
American Ninja Warrior 8[]
McKinley first competed in season 8 as a walk-on. Her run was completely cut from broadcast, but a video on her social media showed that she made it past the Floating Steps. However, she was unable to complete the next obstacle, the Log Grip.
American Ninja Warrior 9[]
McKinley returned to compete in Cleveland in American Ninja Warrior 9. She made it through the first obstacle, but failed the Rolling Log.
American Ninja Warrior 10[]
McKinley Pierce at the Philadelphia City Finals - American Ninja Warrior 2018
McKinley returned in American Ninja Warrior 10 in Philadelphia qualifying. She fell on the Wingnuts and did not make it far enough to advance. However, with Angela Gargano’s injury coming of the Wingnuts, she advanced as an injury replacement.
In the city finals, she revealed that three years ago her mom got in a housefire and suffered 2-degree and 3-degree burns. McKinley dedicated her run to her mom and got revenge on the Wingnuts but got a bad jump from the trampoline on the Lightning Bolts and fell there, not moving on to Las Vegas.
American Ninja Warrior 14[]
After a three-season absence, she returned to compete in ANW 14. She was in the second episode of qualifiers, where she made it to Split Decision. She attempted Domino Effect, but failed there and didn't advance.
American Ninja Warrior 16[]
McKinley returned to compete in American Ninja Warrior 16, during the sixth Qualifying round. Her run was digested, but it was shown she failed Reel to Reel and did not advance to the Semifinals.