Meanings
From betting on horse racing; someone who has not placed bets on any of the horses in a particular race will have no vested interest in any of them winning.
How to pronounce "no horse in this race":
AU
No vested interest in the outcome of a contest or debate.
Example: "I have no horse in this race; I just want to see justice done."
Example Sentences
1
As a vegetarian, I have no horse in this race regarding the best bbq joint in town.
2
Since I don't watch reality TV shows, I have no horse in this race about who will win the singing competition.
3
Being new to the company, I have no horse in this race for the office politics.
4
As a pacifist, I have no horse in this race when it comes to choosing the best military strategy.
5
Since I have no interest in fashion, I have no horse in this race on deciding the trendiest outfit.