In the 50 freestyle , Doherty placed second with the time of 29.06 , Irene Ronan placed fourth with the time of 31.17 .
Sirena Frissora placed sixth with the time of 33.36 .
In the 50 freestyle , Doherty placed second with the time of 29.06 , Irene Ronan placed fourth with the time of 31.17 and Sirena Frissora placed sixth with the time of 33.36 .