Supply a distance to get the number of laps needed in each lane.
Supply a lap count to get the total distance for each lane.
Supply a total time and distance or lap count to get lap splits.
How long is each lane of a track?
Each lane out from lane 1 adds 2 times the lane width multiplied by π.
With the standard width for lanes (122cm) that means that you should add 2 * 1.22 * π = 7.67 meters (8.38 yards) for each lane.
