Aug 12, The workouts are titled as follows: Build: Chest & Tris (49 minutes) Build: Shoulders (39 minutes) Build: Legs (39 minutes) Build: Back & Bis (51 minutes) Bulk: Chest (31 minutes) Bulk: Legs (41 minutes) Bulk: Back (30 minutes) Bulk: Shoulders (36 minutes). Aug 5, PHASE ONE: BUILD. CHEST and TRICEPS. Time: 49 minutes. Right away I like Sagi. LEGS. Time: 38 minutes. BACK and BICEPS. Time: 50 minutes. SHOULDERS. Time: 38 minutes. CARDIO. Time: 30 minutes. TOTAL BODY. Time: 38 minutes. Feb 6, how long are body beast workouts, body beast legs, length of workout, You spend the most amount of time in the Bulk Phase of Body Beast. How Long are the Body Beast Workouts? Mar 12, In this review of the 90 day body beast workout I explain the details including, I have jumped into the Body Beast workout many times over the. Feb 18, The workout Body Beast is one of the greatest if not the best muscle gaining workout program. With that said, here are the run-time for each. Feb 6, how long are body beast workouts, body beast legs, length of workout, You spend the most amount of time in the Bulk Phase of Body Beast.