♪ keeps you running >> perfect music to lead us into the next story. >> exactly. running. new information on running and wet loss, so many of us think it is the key to losing weight. that's not always the case. >> our friends at pop sugar have come up with tips for you to make sure the miles you are putting on, are actually getting results. abc's abbie boudreau has all the details. >> reporter: some fitness experts say you may think running will help you chase away extra pounds. often times it doesn't. >> come on, guys! push it, guys! >> reporter: former pro football player, and now fitness guru, says you may have to mix up your running routine. >> if you are doing the same thing three times a week. your body will adapt to that. it will become easy. do hills. intervals, speed. >> reporter: that worked for kimberly and adriana, both desperate to lose weight when running alone wasn't cutting it. >> i kind of wasn't going anywhere. i wasn't even plateauing. i really wasn't losing. >> reporter: when you started