Cast of movie 300, used a variety of grueling "300-rep rite of passage workouts to prepare for movie.

15x Bent Over Rows (30lb set minimum)
15x Squats (30lb set minimum)
15x Deadlifts (30lb set minimum)

35x Mountain Climbers (Right and Left = 1 Rep)
35x Pushups
35x Burpees

50x Situps
50x Jumping Jacks
50x Reverse Lunges (Single Count)