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I think you got this backward. Insanity has shorter but more intense workouts (about 45min) and lasts 60 days. While P90x is more like 1.5 hours and lasts 90 days. I started with P90x but just couldn't fit the 1.5 hours a day into my life. Both are fun workouts. Insanity is more cardio/sports training type drills where…
