powerwalking

/P AW1 ER0 W AO1 K IH0 NG/
verb
  1. 1

    To walk at a brisk pace for exercise or in order to move very quickly.

noun
  1. 1

    Walking briskly for speed and exercise.

Source: https://en.wiktionary.org/wiki/powerwalk, https://en.wiktionary.org/wiki/powerwalking