SPRINGFIELD, Mass. (AP) — A Springfield man is giving new meaning to the phrase “fitness buff.”

Police have received several reports of a man jogging nude through a city neighborhood, but so far have been able to locate him.

The most recent reports came at about 6:30 a.m. Wednesday when several people called to report the au naturel runner.

Police responding to the scene couldn’t find the man.

Sgt. John Delaney says there have been prior reports of a man running without clothes through the same neighborhood at about the same time of day.

He is described as a white man in his 30s.

Police say if apprehended, he faces charges of open and gross lewdness and indecent exposure.

Copyright 2012 The Associated Press.