Takeyuki Nakayama
Achievements
Table:
Year
Competition
Venue
Position
Event
Notes

Representing Japan

1984

Fukuoka Marathon

Fukuoka, Japan

1st

Marathon

2:10:00

1986

Asian Games

Seoul, South Korea

1st

Marathon

2:08:21

1987

Fukuoka Marathon

Fukuoka, Japan

1st

Marathon

2:08:18

1988

Olympic Games

Seoul, South Korea

4th

Marathon

2:11:05

1990

Tokyo Marathon

Tokyo, Japan

1st

Marathon

2:10:57

1991

World Championships

Tokyo, Japan

—

Marathon

DNF

1992

Olympic Games

Barcelona, Spain

4th

Marathon

2:14:02

Having looked at the table that covers 'Takeyuki Nakayama' in the 'Achievements' section, draft a brief sentence that explains what the highlighted cells show and return it as JSON: {"answer": "YOUR ANSWER"}.