Rock music blared, cheerleaders bounced and bikers crashed. Everything went according to plan when BMX made its Olympic debut Wednesday, writes Alan Abrahamson. Four U.S. riders advanced, too.

All four Americans advanced into the BMX semifinals round, but three-time world champion Kyle Bennett dislocated his left shoulder in his third and final heat. Bennett plans to race Thursday.

Those infamous black masks were intended to keep the four U.S. track cyclists who donned them in Beijing's airport healthy and happy. The plan failed. Jennie Reed got sick, and the Americans went medal-less.

Britain took seven out of 10 golds at the Laoshan Velodrome, as well as three silvers and two bronzes. Only one British track cyclist did not medal, and he won four stages at last month's Tour de France.

Argentina's Juan Esteban Curuchet and Walter Fernando Perez have won the gold medal in the men's madison, their nation's first track cycling medal of the Beijing Olympics.

Britain won the men's team pursuit gold at the Laoshan Velodrome, knocking nearly two seconds off the world record it set a day earlier. The British have five gold medals in track cycling in Beijing.

Sarah Hammer crashed out of the Olympic women's cycling points race Monday, falling after two racers clipped wheels in front of her and caused a pileup. Marianne Vos won the gold medal.

After missing out on the Beijing Games, Arielle Martin decided to return to Chula Vista, Cali. to live and train with Jill Kintner, to help her better prepare for the Olympics. Kintner couldn't be more thankful.

Kristin Armstrong won the individual time trial, only the second ever American woman to win an Olympic gold in cycling. She destroyed the competition, winning by a 24-second margin.

Kristin Armstrong of the United States has won the gold medal in the women's time trial, making her just the second American women's cyclist ever to become an Olympic champion.