Climber Isaac Caldiero Wins American Ninja Warrior and a Million Bucks

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Climber Isaac Caldiero has become the first winner of the television game show American Ninja Warrior.

Climber Isaac Caldiero has become the first winner of the television game show American Ninja Warrior. After seven seasons and 3500 contestants, Caldiero climbed to the top of Mt. Midoriyama, narrowly defeating contestant Geoff Britten, to claim the one million dollar prize.