3 and 3/4 around a 400 m track
A standard track lap is equal to 400 meters for an outdoor track and 200 meters for an indoor track.
Tracks may have varying dimensions. A typical high school track usually surrounds a football field, which requires a minimum length of almost 110 meters. If both turns are equal, each turn of a newer 400 meter track will thus be a maximum of 90 meters long.
The track at Warinanco Park in Elizabeth, NJ is 400 meters long.
The 440 yard track at my old high school (Millikan HS, Long Beach, CA), has an inner grass oval of about 215 ft x 510 ft, and an outer dimension of about 300 ft x 595 ft. (I measured from Google Maps satellite view.)
If you are in lane 1, then you must run 12 1/2 laps to equal 5k. The explanation for this is that a normal running track is 400 meters, therefore 12 1/2 laps would equal 5000 meters; i.e. 5K meters.
A 5K race is equivalent to 5 kilometers, which is equal to 5000 meters. Since a standard track is 400 meters long, you would need to complete 12.5 laps around the track to cover a distance of 5000 meters. Therefore, a 5K race would require you to run around the 400 m track 12.5 times.
5000 meters would be 12.5 laps around an Olympic size (400 meters) track.
That's only about three quarters of one straightaway
A standard running track is 400 meters, so 2 laps is practically half a mile, and 4 laps is 9 meters shy of one mile. (1 mile = 1,609.344 meters)
400 meters.
If the track is 1/4 mile, four times = 1 mile