<Ul> <Li> ◀ </Li> <Li> 2015 </Li> <Li> ▶ </Li> </Ul> <P> The seventh season of American Ninja Warrior premiered on NBC on May 25, 2015 . Hosts Matt Iseman & Akbar Gbaja - Biamila returned for their respective sixth and third seasons while newcomer Kristine Leahy joined as sideline reporter, replacing Jenn Brown . In addition, this season's grand prize was increased from $500,000 to $1,000,000 . The season concluded on September 14, 2015 . </P> <P> For the first time in American Ninja Warrior history, a competitor completed Stage 3 of the Las Vegas Finals . Both Geoff Britten and Isaac Caldiero completed Stage 3 and climbed Mount Midoriyama in the allotted time of 30 seconds and achieved "Total Victory," however, Caldiero made the climb in the faster time and was the first competitor to be awarded the grand prize of $1,000,000 . However, the title of "First American Ninja Warrior" was unofficially awarded by the community to Britten for being the first to climb the tower . </P> <P> This season's grand prize was doubled from $500,000 to $1,000,000 . </P>

Who won season 7 of american ninja warrior