there are 9 laps
A chariot race in ancient Rome normally lasted for seven laps.
four laps There are 4 laps to a Speedway race.
A chariot race ended when a driver completed seven laps around the course. The first one got first place, the second one second place, etc.etc.
Normally in a traditional chariot race its 4 people
25 laps if the track is a standard 400m long.
Tethrippon was a four-horsed chariot race, that involved twelve laps around the track at the Hippodrome stadium.