Actually, you are a good 200m runner. To run the 200m fast requires knowledge on the techniques of how to run the curve, how to run the 100m and, in running the 400m for practices. Put in a little more quality to detail in your practices and I'm certain you will be saying how amazed you are at yourself in running the 200m well.
Track sprint speed is a result of good sprinting technique coupled with sound endurance running.
A better 100m run – form and technique will get you there. - ptfa.geo answer:
http://answers.yahoo.com/question/index?qid=20100702191734AAczh6q
How to sprint longer and faster? - ptfa.geo answer (400m base work for sprinters and hurdlers)
http://answers.yahoo.com/question/index?qid=20100610184309AArJTSX
Short Sprinting Tips: - ptfa.geo answer
http://answers.yahoo.com/question/index?qid=20101024101423AAER6nI
How to run 200m faster - ptfa.geo answer:
http://answers.yahoo.com/question/index?qid=20100409193350AA6wglZ&r=w#NbUvWjG8UjUgPZb5.Hnw
Training Days - ptfa.geo answer:
http://answers.yahoo.com/question/index?qid=20100909182936AAHVBwn
Build up your stamina on a trampoline or on your bed - see ptfa.geo answer:
http://answers.yahoo.com/question/index?qid=20100717065802AAeYEiQ
http://www.iaaf.org/
http://www.trackandfieldnews.com/