The 1st World Junior Championships in Athletics was the inaugural 1986 edition of the World Junior Championships in Athletics. It was held in Athens, Greece on 16–20 July.
The men's 100 metres event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 16 and 17 July.
The men's 400 metres hurdles event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 16, 17 and 18 July.
The men's triple jump event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 19 and 20 July.
The men's shot put event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 18 and 19 July. A 7257g shot was used.
The men's discus throw event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 16 and 17 July. A 2 kg discus was used.
The men's hammer throw event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 18 and 19 July. A 7257g hammer was used.
The men's javelin throw event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 17 and 18 July.
The men's 10,000 metres walk event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 18 July.
The women's 400 metres event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 16, 17 and 18 July.
The women's 800 metres event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 16, 17 and 18 July.
The women's 3000 metres event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 17 and 19 July.
The women's 10,000 metres event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 18 July.
The women's 100 metres hurdles event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 17 and 18 July.
The women's 400 metres hurdles event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 16, 17 and 18 July.
The women's high jump event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 17 and 18 July.
The women's long jump event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 18 and 19 July.
The women's shot put event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 16 and 17 July.
The women's javelin throw event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 18 and 19 July. An old specification 600g javelin was used.
The women's heptathlon event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 18 and 19 July.
