24 Hour Challenge

150 squats 15-15-15-15-15 = 15-15-15-15-15
100 push-ups 10-10-10-10-10 = 10-10-10-10-10
50 chin-ups/pull-ups 5-5-5-5-5 = 5-5-5-5-5

Every 4 hours, for 24 hours: 150 squats, 100 push-ups and 50 chin-ups/pull-ups.