First you have to figure out the length of the track:
r is the half of the diameter:
200ft : 2 = 100ft
= 200
≈ 628,31
The athlete has to run ca. 5280ft for one mile:
5280 : 628,31≈8,4
The athlete has to run 8,4 laps
r is the half of the diameter:
200ft : 2 = 100ft
The athlete has to run ca. 5280ft for one mile:
5280 : 628,31≈8,4
The athlete has to run 8,4 laps