those of us whose times take a hit by an incline, no matter how small it is. but there is a way to stand up to that hill and not let it kill your pace: hill repeat, repeat, repeat.
hill repeats are your best plan of attack for getting your body physically ready to head up to higher ground. practicing hill repeats consistently will not only make you faster up hill, but also can help you become an overall better and faster runner on flat ground.
after you have warmed up find a hill steep enough that requires you to spring off your toes, or has around a 10 percent grade. sprint 