The 1986 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 200 metres event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 18 and 19 July.
The men's 1500 metres 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 5000 metres event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 17 and 19 July.
The men's 110 metres hurdles event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 18 and 19 July. 106.7 cm (3'6) hurdles were used.
The men's long jump 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 decathlon event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 16 and 17 July. Senior implements were used.
The women'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 women's 200 metres 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 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 100 metres event at the 1988 World Junior Championships in Athletics was held in Sudbury, Ontario, Canada, at Laurentian University Stadium on 27 and 28 July.
The women's 100 metres hurdles event at the 1992 World Junior Championships in Athletics was held in Seoul, Korea, at Olympic Stadium on 17 and 18 September.
The men's 200 metres event at the 1998 World Junior Championships in Athletics was held in Annecy, France, at Parc des Sports on 31 July and 1 August.
The men's 100 metres event at the 2002 World Junior Championships in Athletics was held in Kingston, Jamaica, at National Stadium on 16 and 17 July.
The men's 200 metres event at the 2004 World Junior Championships in Athletics was held in Grosseto, Italy, at Stadio Olimpico Carlo Zecchini on 15 and 16 July.
The men's 110 metres hurdles event at the 2004 World Junior Championships in Athletics was held in Grosseto, Italy, at Stadio Olimpico Carlo Zecchini on 16, 17 and 18 July. 106.7 cm (3'6) hurdles were used.
The men's 200 metres event at the 2006 World Junior Championships in Athletics was held in Beijing, China, at Chaoyang Sports Centre on 17 and 18 August.
The men's 100 metres event at the 2008 World Junior Championships in Athletics was held in Bydgoszcz, Poland, at Zawisza Stadium on 8 and 9 July.
The men's 200 metres event at the 2008 World Junior Championships in Athletics was held in Bydgoszcz, Poland, at Zawisza Stadium on 10 and 11 July.
The men's 200 metres event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 22 and 23 July.
