Fittest On Earth (The Story of the 2015 Reebok CrossFit Games)
Fittest on Earth: The Story of the 2015 Reebok CrossFit Games (original)
Starring Katrin Tanja Davidsdottir, Mat Fraser, Ben Smith, Annie Thorisdottir, Sara Sigmundsdottir, Tia-Clair Toomey
It's a documentary and sport movie, and has a rating of 7.1 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Spain.