Contenders include Trayvon Bromell, whose 9.77 second run in Florida last month is the fastest of the year and propels him into the top tier of favorites in the race. 
Olimbana naye ndiye Trayvon Bromell, amene kuthamanga kwakekwa mphindi 9.77ku Floridamwezi wathawu ndiye wliwiro lachangu paonse mu chaka chimenechi ndipo ichi chikumukankhira mu gulu la anamateture okondedwa mu liwiro