AGON was the personified spirit (daimon) of contest who possessed at altar at Olympia the site of the Olympic Games.
AGON (Agôn), a personification of solemn contests (agônes). He was represented in a statue at Olympia with haltêres in his hands. This statue was a work of Dionysius, and dedicated by Smicythus of Rhegium. (Paus. v. 26. § 3.)
Source: Dictionary of Greek and Roman Biography and Mythology.
CLASSICAL LITERATURE QUOTES
Pausanias, Description of Greece 5. 20. 3 (trans. Jones) (Greek travelogue C2nd A.D.) :
"[Depicted on table by Kolotes (Colotes) dedicated at Olympia :] Behind is the disposition of the games. On one side are Asklepios (Asclepius) and Hygeia (Health), one of his daughters; Ares too and Agon (Contest) by his side."
Pausanias, Description of Greece 5. 26. 3 :
"Among the offerings of Mikythos (Micythus) [at Olympia] is [a statue of] Agon (Contest) carrying jumping-weights."
- Pausanias, Description of Greece - Greek Travelogue C2nd A.D.