a one, two, three, etc. horse race

idiomPart ofhorse

a one, two, three, etc. horse race — idiom

1. A competition where only a few participants have a real chance to win.

1.idiom
Definition

A competition where only a few participants have a real chance to win.

Example

The election became a two-horse race between the main parties.

Is this tournament a one-horse race or will there be surprises?