Buy In: 20 meters: High Knees, Butt Kickers, Walking Lunge, Walking Spiderman Lunge, Walking Pigeon lunge. 5 minutes mobility work. Refine your squat position, work to perfect your squat position. Adjust the bits that stand between you and the ideal squat with mobility tools/skills.
Back Squat 5 sets of 5 reps. Straight sets. Warm up before you go hard (duh).