IAAF Worlds Preview: Women's 100m

With seven women under 11 seconds this year the race to be the world's fastest woman promises to be one of the most absorbing events of the championships.

The Olympic 100m silver medallist Kerron Stewart appears to be the athlete with the stand out credentials having enjoyed an imperious year. The Jamaican has been defeated just twice over 100m this season and is on course to land a share of the $1m ÅF Golden League Jackpot with four wins out of four thus far in the series. Stewart's most impressive triumph came in Rome when she blitzed to victory in a stunning 10.75 - the fastest time in the event for nine years and a mark which elevated her to fifth on the all-time lists.

Stewart, however, has yet to land a senior global title and she will face the sternest of opposition. One of her two defeats this year came at the hands of her countrywoman Shelly-Ann Fraser and few would discount the diminutive Olympic champion. Fraser clocked an impressive season's best time of 10.88 to beat Stewart at the Jamaican championships and the 22-year-old was an impressive winner in Monaco - her last pre-Berlin outing - stopping the clock in 10.91.

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