|Summary:||Rectangular area; southwest of the Sanctuary of Asklepios.|
|Date:||ca. 480 BC - 338 BC|
Central area: one side 181.3 m long; other side, 181.08 m long.
Rectangular area with starting line on the west and finishing line on the east surrounded by water channel with settling basins. Stone seats on the north and south sides.
Earth banks were built up to supplement the slopes of a natural ravine, and to create the original seating. The stone seats and staircases were added during Hellenistic and Roman times. A paved platform on southern slope could have been for victors or to seat honored guests, with a possible judges' bench opposite the finishing line. A Hellenistic vaulted passageway under seats led to a possible Palaestra to the north. Small stone pillars marked the stadium into 6 equal parts and Hellenistic lane markers were later added to the finishing and starting lines. Contests held in the stadium included: running events, broad jumping, discus, javelin, wrestling, boxing and pankration (a type of wrestling in which striking was allowed). Performances may have been held here before the Theater was built.