The following is a list of horse racing venues, ordered by capacity. The figures generally represent the licensed capacity of the venue, which is usually far higher than the number of seats in the stands. Venues with a capacity of 40,000 or more are included.
| Venue | Capacity | Location | Country | Closed | |
|---|---|---|---|---|---|
| Circus Maximus | 270,000 (est.) | Rome | Roman Empire | 103 | |
| Hippodrome of Constantinople | 100,000 | Constantinople | Byzantine Empire | 1453 | |
| Sportsman's Park | 67,000 | Cicero | 2003 | ||
| Ely Racecourse | 40,000 | Cardiff | 1939 |