The men's decathlon event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 16 and 17 July.
[1][2] Senior implements (106.7 cm (3'6) hurdles, 7257g shot, 2 kg discus) were used.
16/17 July N.B.
In the 100 meters, of the 4 heats, two were run with legal wind & two heats were run with wind above the legal limit of 2 m/s.
According to an unofficial count, 29 athletes from 21 countries participated in the event.