Canadian Penny Oleksiak picks up 2nd gold at Atlanta Swim Classic

Canada's Penny Oleksiak competes in a women's 100-meter butterfly heat during the swimming competitions of the World Aquatics Championships in Budapest, Hungary, Sunday, July 23, 2017. (AP / Darko Bandic)

Canadian Olympic medallist Penny Oleksiak picked up her second gold medal at the Atlanta Swim Classic after finishing in first in the women's 100-metre freestyle on Sunday.

Oleksiak, who is the reigning Olympic champion in the event, posted a winning time of 55.13 seconds, ahead of Americans Stanzi Moseley (56.26) and Amada Weir (56.48).

The 17-year-old from Toronto won the women's 200 butterfly and placed second in the 50 freestyle on Saturday. She came in third in the 100 fly on Friday.

Olivia Anderson of Oakville, Ont., also came out on top of a closely contested race in the 800 freestyle on Sunday, finishing with a time of eight minutes 42.79 seconds, besting Courtney Harnish (8.42.89) and Amanda Nunan (8.48.17) both of the U.S.

James Guest of Pointe-Claire, Que., who captured bronze in the men's 200 breaststroke Saturday, was fifth in the 200 individual medley.