Could I Have Pushed More?

As I was running the Cruise in Shoes 5k this weekend I felt like I was pushing as hard as I could. But was I really? I had a good time (23:29) and finished 7th out of 53 in my age group but as I sprinted all-out the final 50 yards I knew I had left something on the course. If I had that much left for a kick at the end I could have used that energy throughout the entire race. I hadn’t run a 5k in a while so I’ll chalk it up to rusty pacing.