Poole had to pull up during the finals with an injury and placed 8 .
Poole set a new Cheyney record in the 200 m on Saturday with the top qualifying time of 21.76 .
Poole , who set a new Cheyney record in the 200 m on Saturday with the top qualifying time of 21.76 , had to pull up during the finals with an injury and placed 8 .