Events

All field events can be contested on the infield. However the javelin, hammer and discus throws are sometimes contested on fields outside of the track stadium because they take up a large amount of space, the implements may damage the infield, and the implements could end up landing on the track. However, some infields are used specifically for these events, and for the javelin, an athlete may have a longer run-up by starting it on the other side of the track, and crossing when there are no athletes passing. There are other variations besides the ones listed below, but races of unusual length (e.g. 300 m) are run much less often. The unusual races are typically held during indoor season because of the shorter 200 m indoor track. With the exception of the mile run, races based on imperial distances are rarely run on the track anymore since most tracks have been converted from a quarter mile (402.3 m) to 400 m; almost all record keeping for imperial distances has been discontinued. However, the IAAF record book still includes the mile world record (currently held by Hicham El Guerrouj of Morocco for men and Svetlana Masterkova of Russia for women) because of its worldwide historic significance.Men and women do not compete against each other, although they may sometimes run in the same races due to time constraints at high school meets. Women generally run the same distances as men although hurdles and steeplechase barriers are lower and the weights of the shot, discus, javelin and hammer are less.