Cor Vriend
Achievements

Year
Competition
Venue
Position
Event
Notes
Representing the Netherlands
Representing the Netherlands
Representing the Netherlands
Representing the Netherlands
Representing the Netherlands
Representing the Netherlands
1980
Olympic Games
Moscow, Soviet Union
41st
Marathon
2:26:41
1981
Enschede Marathon
Enschede, Netherlands
1st
Marathon
2:15:54
1981
Fukuoka Marathon
Fukuoka, Japan
13th
Marathon
2:14:25
1982
Amsterdam Marathon
Amsterdam, Netherlands
1st
Marathon
2:12:15
1982
European Championships
Athens, Greece
—
Marathon
DNF
1983
Amsterdam Marathon
Amsterdam, Netherlands
1st
Marathon
2:13:41
1984
Olympic Games
Los Angeles, United States
39th
Marathon
2:21:08
1984
Beppu-Ōita Marathon
Beppu-Ōita, Japan
1st
Marathon
2:12:05

Question: How many times did Cor Vriend win the Amsterdam Marathon, and which year did he win his second? 
Answer: Vriend twice won the Amsterdam Marathon (once in 1983).