Entering contests and winning awards helps you in many ways:
Honors your hard work
Provides incentive for future successes
Helps keep you going on those wordless days.
Here are a few current contest deadlines to inspire you, courtesy of BookSurge:
Writer’s Digest Pop Fiction Awards
DIY Book Festival Book of the Year Awards
Writer’s Digest 10th Annual Short Short Story Writing Competition
Writer’s Digest Poetry Awards Competition
Foreword Magazine Book of the Year Awards
Independent Book Publisher of the Year Awards
There are many others listed online and in Poets & Writers.