In the build up to his fight he would train up to 50 – 60 hours a week. Mike Tyson’s training routine was very grueling and taxing. CALISTHENIC ROUTINE. 200 sit-ups, 50 dips, 50 push-ups & 50 shrugs with weight – 10 times throughout a day, six days a week. Mike Tyson’s Training Routine and Diet. For starters, his body has undergone drastic changes, in spite of appearances. Naturally, Mike Tyson’s current workout routine and diet plan might differ from the one he practised back in the 1980s and 1990s.