The second day of track and field at the London Olympics will see six gold medals awarded, including one in the women's 100 meters. Saturday will also mark the first appearance of Jamaican sprinters Usain Bolt and Yohan Blake, who will run in qualifying for the men's 100 in the day session.
There were few surprises in qualifying for the women's 100 with all the top American and Jamaican sprinters making it through to the semifinals. Carmelita Jeter, winner of the event at the U.S. Olympic Trials, posted the fastest time with a run of 10.83 seconds, while defending gold medalist Shelly-Ann Fraser- Pryce of Jamaica was seventh. Americans Allyson Felix and Tianna Madison and Jamaica's Veronica Campbell-Brown and Kerron Stewart also moved onto the semis.
The Jamaicans swept the 100 in Beijing, with Sherone Simpson and Stewart taking silver and bronze, respectively, behind Fraser-Pryce. Both the semis and finals will take place on Saturday night.
On the women's side, day 2 of track and field also features the conclusion of the heptathlon and discus, while the men will battle for gold in the long jump, 10,000m and 20km race walk.
In addition to Bolt and Blake's qualifying runs, Saturday will also see South Africa's Oscar Pistorius become the first man to compete in both the Summer and Paralympic Games. Pistorius, who had both of his legs amputated halfway between his knees and ankles at 11 months old, will run in round 1 of the men's 400m. Nicknamed the "Fastest Man on No Legs," Pistorius runs with the help of carbon fiber artificial limbs.
Michael Phelps should swim his last Olympic race Saturday as part of the men's 400-meter individual medley team after winning his last individual race Thursday in the 100-meter butterfly. Phelps will be going for his 22nd Olympic medal and 18th gold in a race the Americans are favored to win.
The women's 400 medley relay is also Saturday and medals will be handed out for the men's 1,500-meter freestyle and the women's 50 free.
Career Grand Slam winners Maria Sharapova and Serena Williams will play for the Golden Slam when the two superstars clash in the gold medal match on Saturday.
The third-seeded former world No. 1 Sharapova blew past No. 14 seed Maria Kirilenko 6-2, 6-3 in an all-Russian semifinal on Court 1 at Wimbledon, while fourth-seeded former No. 1 Williams waltzed past reigning top-ranked star Victoria Azarenka 6-1, 6-2. Kirilenko and Azarenka will play in the bronze medal match.
The Bryan brothers, Mike and Bob, will face France's Jo-Wilfried Tsonga and Michael Llodra in the gold medal match for men's doubles and Frenchmen Julien Benneteau and Richard Gasquet will meet Spain's Feliciano Lopez and David Ferrer for the bronze.
In semifinals for women's doubles, Serena and sister Venus will play Russians Maria Kirilenko and Nadia Petrova.
Great Britain's Laura Robson and Andy Murray -- who is in the men's final -- will play Australia's Samantha Stosur and Lleyton Hewitt in a mixed doubles quarterfinal with the winner facing Germany's Sabine Lisicki and Christopher Kas. The winner of the other quarterfinal between Belarussians Victoria Azarenka and Max Mirnyi and India's Sania Mirza and Leander Paes will meet Americans Lisa Raymond and Mike Bryan in the semis.
The U.S. men's basketball team, coming off a record-setting 156-73 win over Nigeria, should have a tougher time against Lithuania on Saturday. It's just one of six games. Tunisia and France also play, as will Russia and Spain, China and Brazil, Great Britain and Australia and Nigeria and Argentina.
China will have a significant medal haul in badminton Saturday no matter what with four guaranteed for the country. Wang Yihan and Li Xuerui will contest the women's singles gold medal match and Chinese teammates Tian Qing and Zhao Yunlei will play Japan's Mizuki Fujii and Reika Kakiiwa in the women's doubles final. Teams from Russia and Canada will play for the doubles bronze while China's Wang Xi will meet India's Saina Nehwal in the women's singles bronze medal match. There will also be doubles semifinals for the men.
Two-time defending Olympic gold medalists Misty May-Treanor and Kerri Walsh Jennings begin the knockout stage in women's beach volleyball with a match against Marleen van Iersel and Sanne Keizer of the Netherlands. There are four round of 16 matches on the women's and men's side Saturday.
Semifinals of the women's 3-meter springboard are Friday and Chinese diver Wu Minxia, already a gold medalist here, is on track to make history. Wu was the top diver in preliminaries and has five Olympic medals, one short of tying countrywoman Guo Jingjing for the most ever among female divers. She had 387.95 points Friday at the Aquatics Centre, 24.10 more than Chinese teammate He Zi, who won the synchronized springboard gold with Wu on Sunday.
Italy's Tania Cagnotto was third behind the Chinese divers and Canada's Jennifer Abel was fourth. Americans Christina Loukas and Cassidy Krug made the semifinals. The U.S. has three diving medals at these Olympics after going since 2000 without one.
Men's soccer is nearing the homestretch with four quarterfinals Saturday. First, Japan takes on Egypt at Old Trafford and Mexico plays Senegal at Wembley. Later, Brazil takes on Honduras at St. James' Park and the host Great Britain team plays South Korea at Millenium Stadium.
In track cycling events, medals will be awarded in women's team pursuit, which is new to the Olympic program. Great Britain is the heavy favorite after setting a world record in qualifying, while the U.S. was the second-fastest team and should be in the mix for a medal with Australia and Canada.
Additionally, the men's sprint and men's omnium competitions start. World champion Gregory Bauge of France and the British Jason Kenny are early favorites, while the omnium is also making its Olympic debut. It is a six- event, two-day competition.
Two shooting medals will be awarded -- in the women's trap and women's 50- meter rifle 3 positions. Spain's Fatima Galvez is a favorite in the trap, having medaled at all three world cup events this year.
Only one weightlifting competition occurs Saturday -- the men's 94-kilogram class. Kazakhstan's Ilya Ilyin returns as the defending gold medalist.
Sailing competitions will continue to take shape, and the final preliminary races in men's Laser and women's Laser Radial are on the schedule.
Men's handball resumes on Saturday with five of the eight quarterfinal spots locked up. The loser of both the Tunisia versus Great Britain and Korea against Serbia is out of contention to advance, while Sweden can qualify with a point against Argentina.
A clash between undefeated USA and Serbia highlights men's water polo action.
The fourth round of women's pool matches in field hockey are on tap for Saturday and both the Netherlands and Great Britain can notch spots in the semifinals with victories against South Korea and China, respectively. The 1-0-2 U.S. squad goes up against New Zealand.
Men's and women's team play kicks off for table tennis. China figures to be the favorite on both sides as the men have gold and silver medalists Zhang Jike and Wang Hao on their team in addition to world No. 2 Ma Long.
The women are also the top seed and have world No. 8 Guo Yue and Li Xiaxia on their side.
In men's volleyball, the United States try to stay unbeaten with a fourth straight win as it plays Russia in Pool B action.
There is round of 16 boxing action in the men's light flyweight, welterweight and heavyweight classes on Saturday. In a featured bout, top-seeded welterweight Everton dos Santos Lopes of Brazil faces Roniel Iglesias Sotolongo. The Cuban Sotolongo was the 2008 bronze medalist.
The women's team epee tournament will take place Saturday and Romania and Russia are expected to compete for fencing gold along with South Korea.
The women's triathlon is set for Saturday at Hyde Park and Helen Jenkins of Great Britain expects to be a medal threat for the host nation. The U.S. has only won one triathlon medal -- Susan Williams' bronze at the 2004 Athens Games -- and the Americans are not expected to reach the podium in London.
At Greenwich Park, 75 equestrians will compete in the first round of jumping individual and team qualifiers.
The second and final trampoline gold at the games will be handed out with the women's event. He Wenna of China is favored to repeat.