The Florida Highway Patrol says the mishap happened on US Highway 90 and Peacock Road at 12:05 AM
Joseph Steven Kennedy was life-flighted to Sacred Heart in Pensacola.
Troopers say Kennedy was walking westbound on the shoulder of the road with is back to traffic. An unknown west bound vehicle drifted over the white fog line on the side of the highway and struck the pedestrian from behind.
The vehicle then sped away. Kennedy was found on the side of the road by passing motorists shortly after the crash.
Troopers are still looking for the hit and run vehicle. The say it will have right side (passenger side) damage and will be missing the right side mirror, black in color