It was her second state title in the backstroke .
Dressel , younger sister of record holder Caleb Dressel , won the 100 - yard butterfly in 54.56 and 100 - yard backstroke in 54.63 .
It was Dressel 's second state title in the backstroke .
Dressel , younger sister of record holder Caleb Dressel , won the 100 - yard butterfly in 54.56 and 100 - yard backstroke in 54.63 .