Indoor track and field
There are two seasons for track and field. There is an indoor
season, run during the winter and an outdoor season, run during the
spring and summer. Most indoor tracks are 200 meters, however, less
frequently, there are smaller and larger tracks that measure from
between 145 (11 laps to a mile) to 300 meters. The indoor track
consists of four to six lanes instead of the eight to ten on an
outdoor track. Often an indoor track will have banked turns to
compensate for the tight bends.
In an indoor track meet athletes contest the same events as an
outdoor meet with the exception of the 100 m and 110 m/100 m
hurdles (replaced by the 60 m sprint and 60 m hurdles at most
levels and sometimes the 55m sprint and 55m hurdles at the high
school level), and the 10,000 m run, 3,000m steeplechase, and 400m
hurdles. Indoor meets also have the addition of a 3,000 m run
normally at both the collegiate and elite level instead of the
10,000 m. The 5,000 m is the longest event commonly run indoors,
although there are situations where longer distances have been
raced. In the mid 20th century, there was a series of races 'duel
races' at Madison Square Garden's (NY) indoor track, some of which
featured two men racing a marathon (26.2 miles). However, this is
an extremely rare occurrence, for obvious reasons. In some
occasions, there may also be a 500 m race instead the open 400 m
normally found outdoors, and in many collegiate championship races
indoors both are contested.
In the field events, indoor meets only feature the high jump,
pole vault, long jump, triple jump and shot put. The longer throws
of javelin, hammer and discus are added only for outdoor meets, as
there is normally not enough space in an indoor stadium to house
these events.
Other events unique to indoor meets (especially in
North America) are the 300m, 600m, 1000m and 35 lb. weight
throw. In some countries, notably Norway, standing long jump
and standing high jump are also contested.
For multi-event athletes there is the Pentathlon for women
(consisting of 60m hurdles, high jump, shot put, long jump and
800m) and heptathlon for men (consisting of 60m, long jump, shot
put, high jump, 60m hurdles, pole vault and 1000m).
Source: Wikipedia
http://en.wikipedia.org/wiki/Track_and_field
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