1986 World Junior Championships in Athletics
Track events
100 m	men	women
200 m	men	women
400 m	men	women
800 m	men	women
1500 m	men	women
3000 m		women
5000 m	men
10,000 m	men	women
100 m hurdles		women
110 m hurdles	men
400 m hurdles	men	women
2000 m steeplechase	men
4 × 100 m relay	men	women
4 × 400 m relay	men	women
5000 m walk		women
10,000 m walk	men
Road events
20 km	men
Field events
High jump	men	women
Pole vault	men
Long jump	men	women
Triple jump	men
Shot put	men	women
Discus throw	men	women
Hammer throw	men
Javelin throw	men	women
Combined events
Heptathlon		women
Decathlon	men
v t e

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.^[1][2] 106.7 cm (3'6) (senior implement) hurdles were used.

Gold	Colin Jackson  United Kingdom
Silver	Jon Ridgeon  United Kingdom
Bronze	Emilio Valle  Cuba

19 July
Wind: -0.8 m/s

Rank	Name	Nationality	Time	Notes
	Colin Jackson	United Kingdom	13.44
	Jon Ridgeon	United Kingdom	13.91
	Emilio Valle	Cuba	14.00
4	Philippe Tourret	France	14.11
5	Norbert Tomaschek	Austria	14.43
6	Thomas Weimann	Austria	14.46
7	Vyacheslav Ivashchenko	Soviet Union	14.48
8	Mikhail Ryabukhin	Soviet Union	14.49

19 July

Wind: -0.7 m/s

Rank	Name	Nationality	Time	Notes
1	Jon Ridgeon	United Kingdom	13.94	Q
2	Emilio Valle	Cuba	14.02	Q
3	Thomas Weimann	Austria	14.48	Q
4	Mikhail Ryabukhin	Soviet Union	14.51	Q
5	Hiroshi Kakimori	Japan	14.52
6	Markus Rappe	West Germany	14.77
7	Jamie Hence	United States	14.84
8	Akwasi Abrefa	Ghana	15.43

Wind: +0.4 m/s

Rank	Name	Nationality	Time	Notes
1	Colin Jackson	United Kingdom	13.72	Q
2	Philippe Tourret	France	14.18	Q
3	Vyacheslav Ivashchenko	Soviet Union	14.32	Q
4	Norbert Tomaschek	Austria	14.34	Q
5	Manuel Mayor	Cuba	14.46
6	Takahiro Matsuhisa	Japan	14.49
7	Hermann Clark	United States	14.68
8	Frank Mene	Nigeria	15.04

18 July

Wind: -0.4 m/s

Rank	Name	Nationality	Time	Notes
1	Philippe Tourret	France	14.48	Q
2	Takahiro Matsuhisa	Japan	14.55	Q
3	Hermann Clark	United States	14.58	Q
4	Markus Rappe	West Germany	14.61	Q
5	Mauro Re	Italy	14.66
6	Steve Yorston	Canada	14.82
7	Roberto Mobarec	Bolivia	16.19

Wind: +1.1 m/s

Rank	Name	Nationality	Time	Notes
1	Mikhail Ryabukhin	Soviet Union	14.40	Q
2	Thomas Weimann	Austria	14.53	Q
3	Frank Mene	Nigeria	14.88	Q
4	Akwasi Abrefa	Ghana	14.98	Q
5	Antonio Piedra	Spain	14.99

Wind: -0.5 m/s

Rank	Name	Nationality	Time	Notes
1	Emilio Valle	Cuba	14.22	Q
2	Jon Ridgeon	United Kingdom	14.26	Q
3	Vyacheslav Ivashchenko	Soviet Union	14.41	Q
4	Norbert Tomaschek	Austria	14.42	Q
5	Jorge Guevara	Mexico	15.33
6	Adnan Aly	Kuwait	15.90
7	Paolo Bertolissi	Italy	16.18

Wind: -0.9 m/s

Rank	Name	Nationality	Time	Notes
1	Colin Jackson	United Kingdom	14.25	Q
2	Manuel Mayor	Cuba	14.41	Q
3	Hiroshi Kakimori	Japan	14.48	Q
4	Jamie Hence	United States	14.56	Q
5	Grigorios Zagoras	Greece	14.71
6	Colin Grant	Canada	14.77
7	Yasser Abdulrahman Fallatah Kadhy	Saudi Arabia	16.24

According to an unofficial count, 26 athletes from 18 countries participated in the event.