I did three miles of speed intervals this morning. I haven't done the first-thing-in-the-a.m. running very much over the past year, and certainly not many speed intervals that time of day. It was like running in cement but by the end, woohoo! It really does wake you up! Since the sun hadn't quite come up I decided to run the park to avoid car traffic. That was nice - no trails, just some big grassy areas, and they're soo easy on the joints.