1.   He looked almost forlorn when a power walker passed by out of reach.

2.   So I spent the first half of the race slogging past the power walkers who had somehow gotten out ahead of me.

3.   A power walker, Hughes would join Bush for the cool-down portion of his runs.

4.   Landscapers manicure already-manicured lawns, the sounds of a nearby day camp float through the air and the occasional power walker goes by.