As two of the speediest ninjas this season, Kai and Luke Beckstrand have been each other’s toughest competitors.

The brothers opened up about their dominating runs this season.

Discover What’s Streaming On: Kai Beckstrand has long been a ninja to be reckoned with. From his early days on American Ninja Warrior Junior, through his journey on American Ninja Warrior, Beckstrand ...

Aug. 26 (UPI) --Kai Beckstrand, a 19-year-old EMT from Utah, won Season 17 of NBC's American Ninja Warrior Monday night. "I can't put into words how incredible it feels to actually be called champion ...

Luke Beckstrand hugs his brother, Kai Beckstrand, after winning Season 17 of American Ninja Warrior. (American Ninja Warrior) SALT LAKE CITY – It's official, Utah's 19-year-old Kai Beckstrand was ...

American Ninja Warrior celebrates some amazing champions of the show, who have appeared at different times throughout this ...