Ledecky, trailing McIntosh at the 700-meter mark, surged ahead on the final lap, fending off a hard-charging Pallister as McIntosh faded in the closing meters. With the win, Ledecky remained undefeated in the 800-meter freestyle finals event on the world stage dating back to 2012.

Katie Ledecky remains a dominant force in competitive swimming. The Olympic swimmer, 28, won her seventh consecutive world title at the world championships in Singapore on Saturday, Aug. 2, in the 800-meter freestyle, besting other top swimmers including Australia’s Lani Pallister and Canada’s Summer McIntosh, 18.

The American great sealed her 23rd world title and seventh gold in Singapore, edging out Lani Pallister and Summer McIntosh