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Spikes may break during competition. Track shoes are exceptionally light, some shoes weighing less than five ounces (140 grams) each, half the weight of many standard running shoes. In most track shoes, the toe region bends up to allow space for protruding spikes and to encourage athletes to run on their toes.
Sources differ on the exact weight of these shoes; the manufacturer of the spikes claims they weighed 3 ounces (85 g) each, [10] while other sources state each shoe weighed about 94 grams (3.3 oz). [11] The left shoe was a US size 10.5 while the right shoe was a US size 11, to account for Johnson's longer right foot. [10]
10,000 m walk (track) 41:23.14 Tyler Sorensen: July 9, 2011 World Youth Championships: Lille, France 17 years, 141 days 10 km walk (road) 41:35+ Trevor Barron: June 26, 2011 Eugene United States 18 years, 269 days 20 km walk (road) 1:23:26 Trevor Barron: June 26, 2011 USA Championships: Eugene United States 18 years, 269 days 4 × 100 m relay ...
10,000 m walk (track) 41:23.14 Tyler Sorenson: 9 July 2011 World Youth Championships: Lille, France 17 years, 141 days 10 km walk (road) 44:27 Trevor Barron: 29 March 2009 Pharr US Team Trials Race Walk Cup Pharr, United States 16 years, 180 days [21] 4 × 100 m relay: 39.95 Elite Speed Youth Track Club A Alex Sands Cameron Douglas Terry Conwell
The two basic features of a track and field stadium are the outer oval-shaped running track and an area of turf within this track—the field. In earlier competitions, track lengths varied: the Panathinaiko Stadium measured 333.33 metres at the 1896 Summer Olympics , while at the 1904 Olympics the distance was a third of a mile (536.45 m) at ...
Plastic cleats are similar to rubber spikes. However, they feature a hard bottom and thick hard plastic spikes, with few to no grooves at all, and instead of the edge of the sole, the spikes compose the outsole of the shoe where the toes and ball of the foot would hit the ground during running, similar to track spikes and football cleats.
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