ambling
ambulation
backpacking
footing
footing it
footwork
going on foot
hiking
hitchhiking
hitching
hoofing
legwork
lumbering
pedestrianism
perambulation
sauntering
staggering
strolling
thumbing
thumbing a ride
toddling
tottering
tramping
treading
trudging
waddling
walking
march
walk
countermarch
goose step
lockstep
promenade
quick march
routemarch
arching