Tyson Gay, in his head-to-head battle with fellow world 100 metres leader Nesta Carter, scored a decisive victory at the IAAF World Challenge meeting in Zagreb on Wednesday.
Former Olympic 100 metres champion Justin Gatlin lost his first race since returning from a four year drug suspension to Yohan Blake in Rovereto on Tuesday night.
The world's two fastest 100 metre men this year Tyson Gay and Nesta Carter clash in a tasty head-to-head at the IAAF World Athletics Challenge meeting in Zagreb on Wednesday.
World 800 metres champion Caster Semenya, getting back into top form, will continue her comeback when competing at the EA Premium meeting in Rovereto on Tuesday.
David Rudisha with another dazzling display broke the world 800 metres record he had set a week earlier with a time of one minute 41.01 seconds at the IAAF World Challenge meeting in Rieti on Sunday.
David Rudisha is expected to attack his World 800 metres record for the second time in a week at the IAAF World Challenge meeting in Rieti on Sunday.
Tyson Gay unleashed another superfast 100 metres time to win the overall Samsung Diamond League title at the Belgacom Memorial Van Damme meet in Brussels on Friday.
Reigning World 5000 metres champion Vivian Cheruiyot feels there is no reason to discontinue contesting mixed disciplines where she is equally at home in cross country and road races as well as competing indoors and outdoors.
Allyson Felix with the World Championships looming next year followed by the London Olympic Games came the closest yet to admitting after having now experienced doubling up at the highest level, she is ready to chase 200m and 400m titles at both venues.
Newly crowned World 800 metres record holder David Rudisha will be aiming to run the perfect race rather than trying to improve the mark of 1:41.09 he set at the Berlin ISTAF meeting last Sunday in Brussels on Friday.
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