Answer:

treadmill

AnswerCrossword Clue
TREADMILLPlace for running in place
TREADMILL...tire patterns?
TREADMILLGym fixture
TREADMILLFitness center equipment
TREADMILLMonotonous routine
TREADMILLExercise device
TREADMILLGym machine
TREADMILLMonotonous round of work.
TREADMILLOne symbol of the daily grind.
TREADMILLRelative of a squirrel cage.
TREADMILLSymbol of a boring routine
TREADMILLOne was installed in the international space station
TREADMILLHealth club staple
TREADMILLFitness center staple
TREADMILLIt gets you nowhere
TREADMILLWhere you may be going nowhere fast