 Competing at her first Summer Olympics , Aicha Fall qualified for the London Games as a wildcard , as she had set no time for her event , the 800 meters . She was to compete in the 2012 World Junior Championships in Athletics 800 meters but did not start the event . She competed on August 8 in Heat 5 against seven other athletes . She posted a time of 2 minutes and 27 @.@ 97 seconds , finishing sixth and setting a national record in the process . She placed ahead of Palestine 's Woroud Sawalha ( 2 minutes and 29 @.@ 16 seconds ) and behind Canada 's Melissa Bishop ( 2 minutes and 09 @.@ 33 seconds ) in a heat led by Ukraine 's Nataliia Lupu ( 2 minutes and 8 @.@ 35 seconds ) . Overall , Fall was 24 @.@ 12 seconds behind the slowest athlete that progressed to the semi @-@ finals and therefore did not advance . 
