go at a good clip
slowly
nontrailing
like shit through a goose
mile-a-minute
pressed for time
inexcitable
unprotracted
romp
semifast
speedingly
brady-
like the clappers
nothing like
hotfoot
misfasten
feverishly
unrigorous
nonconstant
run
unwayward
unadvanced
nonpeaked
nonrigorous
arm's length
unstilled
nonadvanced
rapid
downtempo
speed of light
untrippable
unaversive
unapproaching
unslowed
nonaversive
unspurned
rate
unhasty
outrun
nonsmoothly
swift
unexpeditious
unbudged
hand over hand
unpursuable
high-tempo
nonresumptive
posthaste