The 29 - year - old 's personal best over the barriers is 12.54 s .
Her previous two outings this year had yielded times of 13.14 s and 13.24 s , so this was another step forward .
The 29 - year - old 's personal best over the barriers is 12.54 s , but her previous two outings this year had yielded times of 13.14 s and 13.24 s , so this was another step forward .