The Chinese should collect three medals from the shooting range this weekend to go along with Yang's medal in swimming, a near-automatic gold in women's three-meter synchronized diving, as well as two of the three gold medals that will be awarded in weightlifting.
Nyad's marathon swimming career began in July 1970, when she set the women's world record for the 10-mile swim across Lake Ontario: four hours and 22 minutes.
In the last day of London's swimming competition, the American women won the 4x100-meter medley relay race, setting a new world record with a time of 3:52.05.