She won her event with a time of 49.83.
Mobley also captured third-place overall in the Girls 8 and Under 100 Yard IM with a time of 1:30.97; third-place overall in the Girls 8 and Under 25-Yard Backstroke with a time of 19.33 and fourth-place overall in the Girls 8 and Under 25-Yard Freestyle with a time of 16.67.
Mobley swims with the year-round Tidal Wave Swim Team, a year-round swim team that practices at Bentwater in Paulding County.
She also swims with the Cartersville Cobias Swim Team during the summer.
She is the daughter of Michelle and Mike Mobley.