Research shows that the optimal time to exercise is when your body temperature is at its highest, which for most people is 4 to 5 p.m.
I actually do feel my evening runs are better. I’m not a morning person, so getting up early is a pain. Plus, it takes me a little while to get into it if I just woke up. However, I can’t always leave work on time so I do try to run in the mornings.