Are you a running fanatic, marathon enthusiast, or someone who loves a funny twist on words? If so, this "It's my birthday and I'll run if I want to" design is perfect for you. Celebrate your special day and your passion for running with this fun tee. This motivational Humor runner apparel that says "It's my birthday and I'll run if I want to" novelty design features sarcastic saying with runner graphic. If you love to run, wear this design while training for next race, 5k, 10k, or any other distance Lightweight, Classic fit, Double-needle sleeve and bottom hem