A standard outdoors high school track is 1/4 mile in the inner lane, or 440 yards or 400 meters. But a reader likes to walk the outside lane - how far around is that? A quick search found the Track Calculator by the North American Racewalking Foundation. With a couple basic facts you can find out the distance and pace of your laps in any lane.
How Far Is That? Miles and Kilometers Conversions
Calorie and Distance Calculator