Popular Way of Keeping Fit, Moving Quickly on Foot

This page is the CodyCross answer for the clue below from Making a Documentary, Group 1504, Puzzle 3 (Instructional).

Question is: Popular Way of Keeping Fit, Moving Quickly on Foot

and the answer is: RUNNING

Word Meaning:

RUNNING — present participle and gerund of run

Definitions from Wiktionary.

Popular Way Of Keeping Fit, Moving Quickly On Foot - Making a Documentary CodyCross Answers | CodyCross Solutions