The military's need for speed and agility has proven helpful for various tasks, especially among ground fighters. Current tactical fitness tests have evolved from 1.5- to three-mile timed runs to shuttle runs, zigzag runs and obstacle courses done at full speed with multiple changes of direction. While the cardio endurance tests will always have a steady-paced running component, the following workout is designed to make running workouts more intense, faster and with agility: Warm up with the