Another thread reminded me of this question which has nagged me for quite a few years. Does anybody have a breakdown of a 200 meter race into 10 or 20 meter segments? I have a copy of an article showing split times for a world record 100 meter race in 1991. It is interesting. The fastest runners hit their peak speed at about 70-80 meters, and slowed down afterwards. Carl Lewis, who won had the following times for the last 50 meters. .85 Seconds .84 .83 .87 .86 He only won by .02 seconds (about 2.3 cm or 9 inches), and was not leading until the 90 meter mark. This suggests that he slowed down at the end because he could not keep up his peak speed. It suggests that the anaerobic process used by sprinters starts causing a problem after about 75-85 meters. I have often wondered about split times for the 200 meter race, but have never seen them. From the above, I suspect that this race requires the runners to deliberately run slower than possible for perhaps 100 or more yards, even though they seem to be going all out.