Pearson is focused on snatching back the 100 - metre hurdles crown from American Brianna Rollins at the world titles in Beijing in August .
Pearson is believes the sky is the limit under new coach Ash Mahoney after a promising start to the national track and field circuit .
Pearson is focused on snatching back the 100 - metre hurdles crown from American Brianna Rollins at the world titles in Beijing in August and believes the sky is the limit under new coach Ash Mahoney after a promising start to the national track and field circuit .