Find yourself getting really stressed out? Put on some running shoes (see below for our top pick), blast your favourite playlist, and hit the road. Besides being an excellent form of cardio, running can also help you cope with stress better. Studies have shown that cardio stimulates the release of neurotransmitters like serotonin and norepinephrine, which can help with mood regulation. Scroll through the gallery to see the winners of CLEO Body Awards for girls who can run for miles.