Campbell-Brown, the reigning Olympic 200m champion, is just one less than the world leader under her belt. She has a very high profile in the 100m, with a third place at the 2004 Athens Games and a silver medal in the 2005 World Championships in Helsinki. In Osaka in 2007, she beat Jeter and her American teammate Lauryn Williams to win the gold.

Campbell-Brown also beat Jeter on May 15 of 2011 at the Shanghai leg of the Diamond League circuit, by 0.03sec.

Apart from Campbell-Brown, Jeter will also be confronted by other sprinters whose personal season bests are all below 11sec, should they all enter the final.

They are Shelly-Ann Fraser-Pryce (10.95) and Kerron Stewart (10.87) of Jamaica, Marshevet Myers of USA (10.86), Oludamola Osayomi of Nigeria (10.99), Kelly-Ann Baptiste of Trinidad and Tobago (10.91), and Ivet Lalova of Belarus (10.96).

Defending world champion Fraser-Pryce, 25, won the gold in the women's 100m both at the Beijing Olympics and the 2009 World Championships in Berlin.

By all measures, it won't be an easy game for Jeter.

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