Police discovered the body of a runner Sunday afternoon along Old La Grange Road in Crestwood.
Kenneth "Kenny" Durr Gilliland III, 44, of Crestwood, was pronounced dead on the scene when police and the coroner arrived at 4:30 p.m.
Foul play is not suspected, said Mike Head, Oldham County Police Department spokesman.
Gilliland appears to have died from natural causes.
He is survived by his wife, Terra; and two daughters, Alexandra and Abigail Gilliland. He was a U.S. Army reservist.