If you're planning a triathlon this year in the summer, or in a different location than you are used to, please read this excerpt to plan for the adjustment your body will make. It's an excellent excerpt from John Mora's Triathlon Workout Planner. This excerpt is reprinted with permission.

"Once you know your target zones, you must still do a little tweaking of the range numbers in order to further individualize your training for improved accuracy and efficiency. All training has to be individualized, and these adjustments take into account the different characteristics of each sport, outside conditions, and any illness or overtraining symptoms that