The Paris Olympics take place from July 26-August 11, with some preliminaries starting even earlier. Here are some of the highlights to look out for: Friday, July 26 Opening ceremony Saturday, July 27 Cycling: Road time trials. Swimming: Women’s 400m freestyle, with American Katie Ledecky and Australian Ariarne Titmus. Tennis: Singles and doubles start. Sunday, July 28 Gymnastics: Four-times gold medallist Simone Biles of the United States begins her quest for more glory. Swimming: Briton Adam Peaty is targeting a third gold in the men’s 100m breaststroke, with the men’s 400m individual medley…