Verb
power walk (third-person singular simple present power walks, present participle power walking, simple past and past participle power walked)
To walk very fast for exercise.
power-walk (third-person singular simple present power-walks, present participle power-walking, simple past and past participle power-walked)
To walk very fast (for exercise or for speed).
power-walk
I've been doing Pilates since 1974, I lift weights, I power walk every day and I run backwards. That's sometimes a little hard when you're not on your home turf, because you've got to find a place where there are no bumps in the way - or people. Britt Ekland