ya running miles is for the birds.
just go find some open grassy space, or track or do uphill sprints. plus sprinting builds up your butt and leg muscles
, while long distance running can break them down and also be killer on your joints
there are many types of sprints you could do: hill sprints, short sprints, longer sprints...
Will Doing Sprints Get You In Shape? | LIVESTRONG.COM
Get It Up, Your Heart Rate, That Is: Sprint Intervals at the Track
these are just a few examples but if you're needing more direction in terms of setting up an actual workout then let me know. it really is about just gettin out there and doing it(while not going overboard at first)and gradually improving