marathon
endurance contest
operation
projection
project
put one's hand to the plough
arrangement
effort
feasibleness
monumental
set to
pea patch
subserve
preparational
hard-fought
technical
stepping stone
stepwise
pull
step by step
hard yards
wade
institution
down to the short strokes
marathonic
planification
venture
constructionally
necessitarian
short strokes
put in the work
dead set
toughness
try on
formidability
enterprise
task
key
programme
program
plan
schwebeablaut
endeavour
struggle
endeavor
order of business
laboring oar
arduously
endeavorment
interstride