It’s Katie Ledecky of the United States against Summer McIntosh of Canada in the final of the 800-meter freestyle, probably the most anticipated race at the swimming world championships in Singapore

American star Katie Ledecky won her seventh world title in the women’s 800-meter freestyle on Saturday, fending off the challenges of Canadian sensation Summer McIntosh and Australia’s Lani Pallister.

Katie Ledecky showed she is still the gold standard in the 800 metres freestyle after ending Summer McIntosh's bid for five individual titles while fending off Australian surprise package Lani Pallister at the world championships on Saturday.