| Swimming |
1980 Swim Europe Cup |
Antibes |
 FRA |
1,500 m Freestyle, Men |
🥉 |
 GER |
|
| Swimming |
1981 European Aquatics Championships |
Split |
 YUG |
1,500 m Freestyle, Men |
6 |
GER |
|
| Swimming |
1982 World Aquatics Championships |
Guayaquil |
 ECU |
400 m Freestyle, Men |
10 |
GER |
|
| Swimming |
1982 World Aquatics Championships |
Guayaquil |
ECU |
1,500 m Freestyle, Men |
5 |
GER |
|
| Swimming |
1982 World Aquatics Championships |
Guayaquil |
ECU |
4 x 200 m Freestyle Relay, Men |
🥉 |
GER |
|
| Swimming |
1985 European Aquatics Championships |
Sofia |
 BUL |
400 m Freestyle, Men |
🥉 |
GER |
|
| Swimming |
1985 European Aquatics Championships |
Sofia |
BUL |
1,500 m Freestyle, Men |
🥈 |
GER |
|
| Swimming |
1985 Swim Europe Cup |
's-Hertogenbosch |
 NED |
400 m Freestyle, Men |
🥈 |
GER |
|
| Swimming |
1986 World Aquatics Championships |
Madrid |
 ESP |
400 m Freestyle, Men |
🥇 |
GER |
|
| Swimming |
1986 World Aquatics Championships |
Madrid |
ESP |
1,500 m Freestyle, Men |
🥇 |
GER |
|
| Swimming |
1986 World Aquatics Championships |
Madrid |
ESP |
4 x 200 m Freestyle Relay, Men |
🥈 |
GER |
|
| Swimming |
1987 European Aquatics Championships |
Strasbourg |
FRA |
400 m Freestyle, Men |
🥈 |
GER |
|
| Swimming |
1987 European Aquatics Championships |
Strasbourg |
FRA |
1,500 m Freestyle, Men |
🥇 |
GER |
|
| Swimming |
1987 European Aquatics Championships |
Strasbourg |
FRA |
4 x 200 m Freestyle Relay, Men |
🥇 |
GER |
|
| Swimming |
1989 Swim World Cup |
Paris |
FRA |
1,500 m Freestyle, Men |
🥇 |
GER |
|
| Swimming |
1989 Swim World Cup |
Bonn |
GER |
800 m Freestyle, Men |
🥉 |
GER |
|