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" Sometimes the prospect of getting outside and facing the elements can make you want to cancel your run. Between rain, snow, and extreme heat, it can be easier to just stay inside. So when celeb trainer Lacey Stone gave us her best treadmill workout, we were psyched! We caught up with Stone at the launch of EPIC&amp;#039;s new line of cardio equipment. The treadmills, available exclusively at Dick&amp;#039;s Sporting Goods are insanely cool \u2014 they act as your personal trainer, you can set up running competitions with your friends, have full Internet browsers (so you can tweet about how hard you&amp;#039;re working!), and Google maps, so you can choose wherever you want to run, from Miami to Scotland. Stone told us that interval running (running fast for a minute, then jogging slow for a minute, fast again, and so on) on a treadmill gets you in shape quickly, because intervals train your heart as a muscle. Here&amp;#039;s her 15-minute treadmill workout that&amp;#039;s guaranteed to get you in killer shape (each number is a one-minute interval!): Warm-up: 1. Incline 0%, speed 3.5 2. Incline 0%, speed 5.0 5-Minute Hill: 3. Incline 2%, speed 6, 7, or 8 4. Incline 4%, speed 6, 7, or 8 5. Incline 6%, speed 6, 7, or 8 6. Incline 8%, speed 6, 7, or 8 7. Incline 10%, speed 6, 7, or 8 Recover: 8. Incline 0%, speed range of 3-5 9. Incline 0%, speed 5, 6, or 7 Sprint: 10. Incline 0%, speed 8, 9, 10, or higher 11. Recover \u2013 Speed 3-5 12. Speed 5, 6, 7, 13. Speed 6, 7, or 8 Cool-Down: 14. Incline 0%, Speed 3.5 15. Incline 0%, Speed 2.5 Do you love running on the treadmill? Tell us what your favorite workout is in the comments! "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.seventeen.com/health/fitness/a19480/lacey-stone-treadmill-workout/>