Here is an calculator enabling equalizing for fitness among distances and times. For example. the fitness level required to do two miles in 30 minutes is approximately the same as that required to do one mile in 14 minutes and a few seconds.
Here is an calculator enabling equalizing for fitness among distances and times. For example. the fitness level required to do two miles in 30 minutes is approximately the same as that required to do one mile in 14 minutes and a few seconds.