If you do a lot of interval training on a 400 meter track, here is a conversation table for 400 meters to miles by lap. Laps Miles 1 0.25 2 0.5 3 0.75 4 1 5 1.25 6 1.5 7 1.75 8 2 9 2.25 10 2.5 11 2.75 12 3 13 3.25 14 3.5 15 3.75 16 4 17 4.25 18 4.5 19 4.75 20 5 21 5.25 22 5.5 23 5.75 24 6 25 6.25 26 6.5 27 …