The Fittest Documentary movie trailer HD - Plot synopsis: In 2019 the fittest athletes on earth took on the unknown and unknowable during four intense days of competition at the CrossFit Games. "The Fittest " captures all the drama as chiseled athletes descend on Madison, Wisconsin, to face a series of trials. On top of the physical challenges, this year the sport grew from 40 men and women, to over 100 of each.