Final hours to save $10 off your CNO Financial Indianapolis Monumental Marathon or Half Marathon registration! This last discount of the fall racing season ends TONIGHT at 11:59 ET. Use code ReturnToRacing21 at checkout! - - - - #BeMonumental #RunMonumental #Running #RunningMotivation #Marathon #HalfMarathon #RunLocal #RunningCommunity #Indy #RunIndy