.First of all there is real speed, sprinting speed. This depends on muscle power, good coordination, proper form and sufficient flexibility. It requires both a rapid cadence and a long stride.Secondly, there is 400m speed. To be good at the 400 you need a pretty
. Peter Clark put in a burst and got a gap open. I went after him, and suddenly it was just the two of us. I was feeling the strain with 600 metres to go, when he said, You go on, Bruce, and waved me on. Like a scared rabbit, I ran the last lap in 60
