The body was found lying in the grass along Arena Drive, which runs between Pleasant Hill Road and the SIU Arena.
Police say the man was bald and had no facial hair.
The victim carried no identification and was not wearing a watch or any rings. He was, however, wearing a gold rope necklace. Police say the man was dressed in gray jogging clothes and wore black sunglasses. Police found a number of keys, one belonging to a Jeep, another to a GM vehicle. Foul play is not suspected.