Grant Kiningham always dreamed of being a contestant on NBC's American Ninja Warrior. His grandpa introduced him to the show and even build a Ninja warrior Course on his farm in Oklahoma to help Grant ...

Add Yahoo as a preferred source to see more of our stories on Google. With its Simsbury location open for just a few weeks, the FunMax trampoline park franchise is looking to create another outlet in ...

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At 21, four-time "American Ninja Warrior" finalist Elijah Browning is training the next generation of young athletes in ...

Nine young athletes from a Marlborough, Massachusetts ninja gym are competing in the World Ninja League Tier 1 Championships. The popularity of ninja obstacle courses is growing, with the sport set to ...