The Athlete's Diary for Mac

Keeps track of date, sport, category (training, interval, or race), distance, time, pace, route/workout, and comment. Comments can include user-definable 'keywords' which allow tracking of any other numerical quantity - weight, heart rate, altitude gain, etc. No limit on the # of entries per day. Calculates totals and averages, produces a variety of graphs. Extremely powerful selection capability.