Track workout?

Well tonight was supposed to be 10x400 so I headed up to Schenley for the first time. I love the trail (approx 3/4 mile) around the fields that allowed me to loop it twice for my warmup. My actual workout didn't go nearly as well as my leg was entirely too tight to do very many laps. I guess I needed to stretch a whole lot more than I did in the last few days. I came home and did about 40 minutes of stretching and am going to bed early so I actually get up for spinning in the am.