Benjamin Wildman-Tobriner (born 21 September 1984 in San Francisco, California) is a competitive swimmer and was until recently a member of the Stanford Men's Swim team.

Garrett Weber-Gale (born August 6, 1985) is a U.S. Olympian who won 100 and 50 meter freestyles at the 2008 Olympic Trials in 47.92 and 21.47 seconds respectively.His time of 21.47 in the 50 was an American record. By clocking a time of 47.78 in the prelims of the 100 freestyle at the Trials, he became the first to break 48 seconds in that event. Weber-Gale is is also a two-time U.S. National Swim Team member, who swam on the USA's gold-medal 400 Free Relay teams at the swimming World Championships in Montreal, Canada (2005) and Melbourne, Australia (2007). In 2006, he was the NCAA Division I Champion in the 100 freestyle . In 2004, Weber-Gale, with University of Texas teammates Aaron Peirsol, Brendan Hansen and Ian Crocker, set a World Record in the short-course 400 Medley Relay  in a time of 3:25.38. On July 2nd, 2008, he also set an American Record in the 100 freestyle at the U.S. Olympic Trials with a 47.78, becoming the first American ever to break 48 seconds in the 100 meter freestyle.

Jason Edward Lezak (born on November 12, 1975 in Irvine, California) is an American swimmer.

He is a member of the Irvine Novaquatics. He went to Irvine High School in 1994, then to University of California, Santa Barbara in 1999. He is 193 cm (6 ft 4 in) and weighs 93 kg (205 pounds). Lezak is specialist of 50 and 100 m freestyle races.

Born in California, Rami Zur was adopted by a family in Israel.and holds duel citizenship.

After graduating from high school, he served in the Israel Army, but continued to participate in competitive kayaking. In the 1999 World Championships, Zur and partner Ro'i Yellin placed 13th in the K2 500 meter race , finishing sixth in both the K2 200-meter and K2 500-meter races at the 1999 European Championships.

Deena Kastor (born in Waltham, MA, 1973) was the bronze medalist at the 2004 Olympics in Athens, and only the second American woman ever to medal in the event. Since then, Kastor has won the Chicago and Flora London Marathons, beating her own American record in 2006. She has high hopes for this year's race and told letsrun.com "I want a gold medal.... There is nothing more I want than to see the flag being raised and the national anthem being played. I can't think of a better gift to my country that has been so supportive of me."

Sada Jacobson (born in Dunwoody, GA, 1983), one of the top women competitors in the fencing world, will compete in saber in Beijing. In 2004, Sada won the bronze medal in this event in Athens, where the sport made its Olympic debut. She's taking a relaxed tack with this year's games, saying: "My goal is to go and be as prepared as I can be, and to enjoy myself."

Dara Grace Torres (born April 15, 1967) is an American swimmer. She will be the first swimmer from the United States to compete in five Olympics: 1984, 1988, 1992, 2000, and 2008. She will compete in the Beijing Olympic Games in the 50 meter freestyle, 4 x 100 medley relay, and 4 x 100 freestyle relay.

She has won eight Olympic medals, including four golds, and won five medals alone in Sydney in 2000, the Games in which she was the eldest member on the team with her 33 years. On August 1st, 2007 at the age of 40 (just 15 months after giving birth to her first child), she won gold in the 100 meter freestyle at the U.S. Nationals in Indianapolis, her 14th win at these events. She then followed that up on August 4th by twice breaking her own American record in the 50 m freestyle, 26 years after she first set the American record at just 15 years old.