Can someone start at 31 with the intent to compete?

I am surprised mmlr38 has not responded to this thread since he would seem to be a good example.As I understand it he did not have a competitive swimming background,joined Masters in his 30s, and has several TT pool times to his credit.

I am surprised mmlr38 has not responded to this thread since he would seem to be a good example.As I understand it he did not have a competitive swimming background,joined Masters in his 30s, and has several TT pool times to his credit.