The quietest win is the one where your rival has no idea they lost until it’s already over.

Announcing that you are competing invites the other person to compete back. Keeping it to yourself lets you work at full speed while they are still relaxed, and by the time the result is visible there is nothing left to contest. The point is not cruelty. It is that a contest nobody is watching is much easier to win.

Whatever you are chasing, stop framing it out loud as beating anyone. Just do the work, take the thing, and be gracious when it lands. Rivalry that stays inside your own head costs you nothing and gives them no reason to try harder.