Don't worry about a schedule.
Take an "off week."
Supplement your running with cross-training.
Run a race for pleasure -- not competition.
You don't have to run your heart out in every race you enter. Sometimes it's fun to run at an easier pace than your race pace and just enjoy the race without putting any pressure on yourself. It may give you the freedom to run with someone you don't usually run with, like a spouse or a friend.
More: 6 Fun Theme Races to Try
4 Ways to Have Fun Racing
7 Tips for Mud Run Success
Change your route and routines.
You're bound to get bored or burned-out if you keep running the same roads week after week. Switch up your route or even the time of day that you run. Go for a run before work in the morning, if you usually run in the evening. If you've never tried trail running, why not give it a try?
More: Beat Boredom on the Treadmill
6 Ways Not to Be a Lazy Runner
8 Ways to Love Running