"I already said I don't want hand me down friends. I don't want 'our' group. I want my own."
Piña's not going to be content with just making friends with a few of the people surrounding Sodashi. She wants her own friends and admirers.
"...But beating that girl in a race does sound good."
"...Sodashi should try to bring you around and try to find someone who can be part of our little group. Or maybe attract them with your racing skills!
If you can beat her in a race, it would get peoples eyes!"
...It would be a method.