I hate the treadmill but for those who don't: TREADMILL SHREDMILL WORKOUT! It's 45 min long with a 5 min cooldown. This is part of my bikini comp cardio. And yes, you CAN last this long on a treadmill. Trust me.
YES, you do need to eat after a workout!The 14 Best Things To Eat After A Workout. These supply nutrients like proteins, carbohydrates, vitamins and minerals which help restore your energy and build muscles after a workout.