Alex Zimmerman's product work log from April 3rd, 2012 documents their activities related to improving personal fitness and an introduction to health science between January 23rd and March 30th. During this time period, Alex participated in track practice after school from late January to mid-March, putting in approximately 100-110 hours total. They noted that in addition to an Insanity workout program, track practice helped improve their cardio strength, and practices typically lasted two hours.