21.   Dry-cleaning businesses, convenience stores and bagel shops have sprung up where once were miles of unbroken forest.

22.   Every mile was faster, about five minutes or so in the second half.

23.   For more energetic types, there will be miles of jogging and bike trails, tennis courts and a public golf course.

24.   For bikers, these miles are full of good news and bad.

25.   Frequent-flier miles are more available than ever, but the major rental car companies are applying the brakes to their involvement in frequent-flier programs.

26.   Frequent flyer miles are an especially successful devise for increasing lock-in, a subtle form of volume discount.

27.   He also ran negative splits, meaning his miles were faster as the race went on.

28.   He said donations of frequent-flier miles are being sought to help with the travel costs.

29.   In a car, a mile is nothing.

30.   In most marathons, the final miles are flat or even slightly downhill.