At this point in my life I figure that I would be a great college coach. That would be the perfect way to make it an easy day. This tip is an example of the principle of specificity. To race fast an athlete must train fast. To train fast an athlete has to be rested.
Recovery days are crucial.
Feed off of other people. Don't race them, just run with them. Recovery days are great for building team spirit. During group runs you can use the energy of the group to carry you along, saving your energy for when its really needed. Trails are much more forgiving on your legs.