We're also waiting to see who will run the men's 4-by-400 for the US. Two of our top runners were already out when Manteo Mitchell broke his leg Thursday.
South Africa's back in that race after this crash on the track. So we'll see "blade runner" Oscar Pistorius try to become the first without legs to win Olympic gold.
The women's 4x100 relay team is looking for its first win since Atlanta and two distance runners have a shot to be America's first winners in the women's 1500.