USMS trivia (I don't know the answer)

Robert Peel from Michigan Masters swam a time of 19.83 at the Nationals in Nashville in 1991 in the 25-29 age-group. That was the record in that age group until 2004 when Sabir Muhammad swam a 19.44. . 

Robert Peel from Michigan Masters swam a time of 19.83 at the Nationals in Nashville in 1991 in the 25-29 age-group. That was the record in that age group until 2004 when Sabir Muhammad swam a 19.44. . 

Robert Peel from Michigan Masters swam a time of 19.83 at the Nationals in Nashville in 1991 in the 25-29 age-group. That was the record in that age group until 2004 when Sabir Muhammad swam a 19.44. .