( CNN ) -- Trinidad and Tobago 's Kelly-Ann Baptiste should have been contending for a medal in Monday 's women 's 100m final at Moscow -- instead she has been withdrawn from the World Athletics Championships by her federation for a `` doping matter . '' Baptiste , who won a bronze in the last global championships in Daegu two years ago , set a national record of 10.83 seconds for the 100m earlier this season to underline her medal potential . Only two-time Olympic champion Shelly-Ann Fraser-Pryce of Jamaica , who went on to claim the gold , and Nigeria 's Blessing Okagbare have run faster this year . But the Trinidad and Tobago National Association of Athletic Administrations confirmed Monday that Baptiste and fellow sprinter Semoy Hackett would not be competing . `` The absence of both athletes is related to doping matters of varying degrees and complexity , '' read a statement from the organization . `` In the case of Ms Baptiste this association was notified on Thursday August 8 by the IAAF ( of a failed doping control ) and the results management process is currently under way and as a result , any further comment at this stage would be premature and inappropriate . '' Hackett , who trains in the United States , tested positive last year at the U.S. Collegiate Championships for methylhexaneamine , a banned stimulant . She was subsequently exonerated by the Trinidad and Tobago federation , but the International Amateur Athletics Federation ( IAAF ) appealed the decision and re-suspended her pending an appeal before the Court of Arbitration for Sport in Switzerland . The Baptiste case is another blow to the image of track and field , still reeling from the high profile doping cases which have seen American sprinter Tyson Gay and leading Jamaicans Asafa Powell and Veronica Campbell-Brown facing lengthy bans . A batch of lesser known names from Turkey and Russia have also fallen foul of the testers ahead of the championships . The IAAF announced before the event that it will bring in four-year bans for those caught doping from 2015 , against the current two-year maximum penalty for a first offense .
Leading sprinter Kelly-Ann Baptiste withdrawn from world championships . Her Trinidad and Tobogo federation said it was for a 'doping matter ' Teammate Semoy Hackett also pulled out of Moscow events . Latest leading track and field athlete to fail drugs test .