If you're looking to push your run longer, we partnered with New Balance for this quick core workout that builds essential muscles for a stronger performance.
You only need five minutes for this quick video workout that burns so good once you're done: it's designed for anyone wanting a flat stomach - and strong, sexy back muscles. You'll strengthen all the muscles around your abdominals, obliques, and spine, leaving you feeling balanced the next time you're out for a long run.