From the excerpt, why do you think Squeaky runs the relay all by herself?
There is no track meet that I don’t win the first-place medal. I used to win the twenty yard dash when I was a little kid in kindergarten. Nowadays, it’s the fifty-yard dash. And tomorrow I’m subject to run the quarter-meter relay all by myself and come in first, second, and third. The big kids call me Mercury cause I’m the swiftest thing in the neighborhood. Everybody knows that—except two people who know better, my father and me. He can beat me to Amsterdam Avenue with me having a two-fire-hydrant headstart and him running with his hands in his pockets and whistling. But that’s private information. Cause can you imagine some thirty-five-year-old man stuffing himself into PAL shorts to race little kids? So as far as everyone’s concerned, I’m the fastest and that goes for Gretchen, too, who has put out the tale that she is going to win the first-place medal this year. Ridiculous. In the second place, she’s got short legs. In the third place, she’s got freckles. In the first place, no one can beat me and that’s all there is to it.

When Squeaky was in kindergarten, she ran a 20-meter race all by herself: "There is no track meet that I don’t win the first-place medal. I used to win the twenty yard dash when I was a little kid in kindergarten." So running this race may not be all that different to her since she seems to be an Independent person who prefers to race solo.