Some races have a second-mover advantage.

Apparently there's an olympics-caliber event for bicycle sprint races between two bikers in a velodrome.

It only matters who beats the other, not what the absolute time is.

When the starter pistol goes off, both bikers stay still (a "track stand"), waiting for the other to go first, so they can slip stream behind the other.

Here's a YouTube video about this strange game theoretic phenomena.