As you improve fitness, you will see your heart rate at a given speed (run) or power (bike) go down as your body becomes more efficient during aerobic exercise.
Time goals- we all have them, even if they are just in our head. Are you setting goals that are challenging but attainable or are you picking a time that sounds fast?
Not all goals are created equal. A successful athlete should set all three types of goals in the new season. This video by the School of Tri will show you how.