Our partners at @Westin met with the unsung heroes of the #USOpen – the ball boys and girls – to see how they stay fit for their demanding job, and to challenge them in a friendly competition against National Run Concierge @ChrisHeuisler. Follow @Westin for more inspiration on how to #MoveWell on the road. #ballperson #tennis #tennisball #tennislife #sports #instatennis #instasports