I realized it was from my first sub-four-minute mile.

The sub-four-minute mile was a superbly planned and executed achievement.

"I thought the opportunity to run a sub-four-minute mile was almost dead," he said.

Walker ended his racing career with 135 sub-four-minute miles.

In an era when sub-four-minute miles are common, de Souza's time seemed mundane.

Coghlan, who is 40 years old, finally sounds confident about becoming the first master to run a sub-four-minute mile.

It is the story of a high school athlete who decides to try for a sub-four-minute mile to deal with the death of a friend.

That development is hard to understand for those who can remember when one sub-four-minute mile was still a champion's benchmark.

He has run 91 sub-four-minute miles, including a record 47 indoors.

Scott made three Olympic teams and ran 136 sub-four-minute miles, more than anyone else.