After that, Pistorius' immediate goal is to break 45 seconds in the 400.
He ran 46.54 - way slower than his career best of 45.07 - in lane 5 on his carbon-fiber blades in the 80,000-seat Olympic Stadium on Sunday, in front of a packed crowd that again gave him a resounding cheer. His was nearly 2 seconds slower than the winner of his semifinal, Kirani James of Grenada, the world champion.
The first double-amputee to compete at the Olympics was undone, as has happened so often, by his sluggish start - a result, in part, of not having feet to push off against the starting blocks.
His reaction time out of the blocks was the slowest of the 24 semifinalists.
"I don't have ankle articulation so the start is always going to be one of my biggest down-points in the race," he said. "It's just one of those things that I have to work on, and be as efficient at top speed as I possibly can.
"I believe next year we'll definitely get under 45," he said.
Sanya Richards-Ross accelerated through the stretch to win the Olympic 400-meter race for the first U.S. gold in track and field at the London Games.
Four years ago in Beijing, Richards-Ross faded down the stretch and settled for bronze. This time, she won in 49.55 to edge out the defending champion, Christine Ohuruogu of Britain, who finished in 49.70. American DeeDee Trotter finished third in 49.72.
* The undefeated U.S. women's volleyball team lost captain and three-time Olympian Lindsey Berg to a left ankle injury during a straight-set victory over Turkey. The Americans breezed through the second set and took a 9-5 lead in the third before Berg limped off the court. The setter removed her shoe, and a trainer wrapped the ankle in ice.
Berg said she didn't think the injury was serious and she should be ready to play in Tuesday's quarterfinal.
Destinee Hooker scored 19 points in the 27-25, 25-16, 25-19 victory for the U.S., which had clinched the top seed in its pool.
* The United States will face Australia in a matchup of gold-medal contenders in the semifinals of the women's water polo tournament.
The Americans beat European champion Italy, 9-6, to reach the last four, and Australia moved on with a dramatic 20-18 win over China.
Melissa Seidemann scored three goals and captain Brenda Villa added two more as the U.S. recovered from a 2-0 deficit.
* Lasse Norman Hansen of Denmark won the gold medal in the men's omnium following a crash in one of the six races of the cycling event.
Hansen hit the wooden boards in a curve after connecting with the rear wheel of Briton Edward Clancy in the scratch race but was uninjured and got back on the track.
He managed to rejoin the peloton after regaining a lap and finished sixth at the line. Hansen then produced a big effort in the 1-kilometer time trial to win the inaugural Olympic title in the multidiscipline event with a total of 27 points.
Bryan Coquard, of France, took the silver medal and Clancy was third.