"American Ninja Warrior," where some of the most elite athletes in the country compete on the world's most difficult obstacle courses, returns this summer for Season 13 on NBC.

Hosts Matt Iseman, Akbar Gbajabiamila and Zuri Hall are all back to call the action, which is set to take place in Seattle, Los Angeles and Las Vegas for the finals.

The new season will feature more than 400 competitors and, for the first time in "ANW" history, the age limit to compete is being lowered to 15 years old. Ninja Warrior is a sport that has been rapidly growing across the country and kids of all ages are embracing it in record numbers. Some of today's most promising talent are younger competitors and now teenagers will have the chance to compete alongside adult athletes.

A top prize of $1 million will go to the winner if they can conquer all four stages at the National Finals in Las Vegas. To get there, competitors will need to make it through the qualifying rounds and semifinals.

Last season, "American Ninja Warrior" reached 35 million viewers.

The series is executive produced by A. Smith & Co. Productions' founders Arthur Smith and Kent Weed along with Brian Richardson, Anthony Storm and Kristen Stabile.