Prior to starting the workout, ensure that you have warmed up your legs and back with some light cardio and dynamic stretching. For the back squats, use a weight that challenges you but allows for good form. If 225/155 lbs is too heavy, reduce the weight to maintain proper technique and safety. After completing the back squats, immediately start the 1-mile run. Pace yourself and maintain a steady rhythm throughout the run. This workout is a great test of your leg strength and cardiovascular endurance. Ensure that you cool down properly after the workout with some static stretching, particularly focusing on the legs and back.