The Wall Street Journal had a great article on how to change your exercise routine as you age (you may need a subscription to view the entire article). Basically, people need to adjust their routine as they age – the way you exercised at 20 should not be the way you exercise at 50 (and as someone right in the middle of the 50’s I can certainly vouch for it). Likewise, we need to let go of our competitive urges as we age – the desire to train harder in the quest to improve our fitness level needs to be tempered. You can read the entire article at the following link: http://online.wsj.com/article/SB10001424052970204047504574384973660445730.html