Training for an event. A carrot to keep you exercising.
D015444:Exercise / Q000523:psychology*; D005260:Female; D007722:Health Knowledge, Attitudes, Practice; D006293:Health Promotion / Q000379:methods*; D006801:Humans; D009042:Motivation; D010806:Physical Education and Training / Q000379:methods*; D010809:Physical Fitness / Q000523:psychology*; D012420:Running; D014481:United States; D016138:Walking; D016387:Women's Health