The race track was 0. 12 miles.
192 meters long.
the ancient olympic track was called the stadion and it was 192m.
About one eighth of a mile.
The ancient Olympics race track was 500 miles long.
About 100 m.
Probobly as long as it is now
3 miles long
it was like it is today 183m long (true)
About 100 yards.