When he's talked time throughout his public life, Michael Phelps has generally used the shorthand of minutes and seconds employed by all swimmers as they weigh the quality of their races.
This week at Olympic Trials, however, the greatest swimmer of his era has been noticeably preoccupied with time of a different sort.
Phelps, who turned 31 on Thursday, is feeling his age.
Oh, he's still plenty fast, as he demonstrated by making a fifth Olympics with his victory in the 200-meter butterfly and by cruising through qualifying races for the 200-meter individual medley Thursday. He'll be the No. 2 seed in Friday...