Originally Posted by
OldTryGuy
Try a mile effort after a warm-up and see how you feel the next day. Sooo many people try to revisit their youth by going out a doing a run that their older body is not prepared for and wind up with an injury. Be smart and start small.
Good luck and have fun.
This is almost exactly what I was going to post, so I'll just second this. Also, you can try doing some sprinting one or twice a week. Can you elaborate on what "regularly" means in this context? Overall, I think your goal is reasonable.