Horseracing (noun)

A sport in which horses are ridden in races, typically by jockeys, on a track or over a set distance.

Origin:

From horse + racing.

Examples:

1. The horseracing season runs from May to October.
2. He was a fan of horseracing and would often go to the races.
3. Horseracing is a popular sport around the world.
4. The horseracing industry is a major source of revenue for many countries.
5. The Kentucky Derby is one of the most famous horseracing events in the world.