The qualifying time for the women's 50m freestyle is 25.43 seconds.
The mile is not contested in the Olympics.
The mile run is not an Olympic event. The 1500 meter run is the event in the Olympics that is closest to the mile run.
It depends on the field of the participants. For the U.S., you need an "A" qualifying time of 1:56.60 to go to the trials. The top three runners will qualify for the Olympics. The time required to be in the top three will be detrmined at the trials in Oregon.
A qualifying time of 3:30 was instituted for the 1971 Boston Marathon. Entry was also permitted for anyone who broke 65 min. in a 10-mile race.
Don't believe it has been done. The mile is not an Olympic distance.
The mile run is not an event in the Olympic Games, the 1500 meter run is contested.
The 2012 Olympic qualifying standard is 52.36 seconds for men and 58.70 seconds for women.