is this act of worship actually Rewarded?

a Man from my country justa a couple of days ago, he began his 218 day journey to Makkah from India (kerala) BY FOOT, without using any mode of transportation. He thinks by doing so , he'll get extra rewrded and if he dies in the proces he'll be dying in a righteous cause. and people all around are Praising and congratulating him for his courage and sacrifice. Is this actually an act of worship?? that is rewarded ? I know walking to masjid has higher reward than going to masjid by a car.. if it's near.. but to hajj too? when it's too risky?... is this actually Rewarded??