The qualification criteria states that an athlete can qualify if he has the required world ranking or through timings which are set very high. What has changed is that earlier there were two qualifying marks based on timing within a specified period. The IAAF has added the element of world ranking for the first time.from Sports News: Cricket News, Latest updates on Tennis, Football, Badminton, WWE Results & more https://ift.tt/2TSiUxP
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