Key to table
- Track – The name of the facility.
- Type and layout – Length and shape of the course.
- Location – Geographical location of the track.
- Series – NASCAR national series currently hosted by the track. Numbers in parentheses indicate if the course holds more than one series event during the season.
- Seats – Number of seats for spectators at the track, if known.
- Races – Feature races for the top national series that races there.