| Swimming |
2012 European Aquatics Championships |
Debrecen (HUN); Eindhoven (NED) |
 MIX |
1,500 m Freestyle, Men |
8 |
 GER |
|
| Swimming |
2012 European Aquatics Championships |
Debrecen (HUN); Eindhoven (NED) |
MIX |
800 m Freestyle, Men |
9 |
GER |
|
| Swimming |
2013 World Aquatics Championships |
Barcelona |
 ESP |
1,500 m Freestyle, Men |
22 |
GER |
|
| Swimming |
2013 World Aquatics Championships |
Barcelona |
ESP |
800 m Freestyle, Men |
13 |
GER |
|
| Swimming |
2013 European Short Course Swimming Championships |
Herning |
 DEN |
400 m Freestyle, Men |
27 |
GER |
|
| Swimming |
2013 European Short Course Swimming Championships |
Herning |
DEN |
1,500 m Freestyle, Men |
7 |
GER |
|
| Swimming |
2014 European Aquatics Championships |
Berlin |
GER |
800 m Freestyle, Men |
16 |
GER |
|
| Open Water Swimming |
2014 European Aquatics Championships |
Berlin |
GER |
5 km, Men |
5 |
GER |
|
| Swimming |
2014 World Swimming Championships (25 m) |
Doha |
 QAT |
1,500 m Freestyle, Men |
23 |
GER |
|
| Swimming |
2015 World Aquatics Championships |
Kazan |
 RUS |
1,500 m Freestyle, Men |
29 |
GER |
|
| Swimming |
2015 World Aquatics Championships |
Kazan |
RUS |
800 m Freestyle, Men |
22 |
GER |
|
| Open Water Swimming |
2016 European Open Water Swimming Championships |
Hoorn |
 NED |
5 km, Men |
8 |
GER |
|
| Open Water Swimming |
2017 World Aquatics Championships |
Budapest |
 HUN |
4 x 1.25 km Relay, Mixed |
8 |
GER |
|
| Open Water Swimming |
2017 World Aquatics Championships |
Budapest |
HUN |
25 km, Men |
11 |
GER |
|
| Open Water Swimming |
2017 Summer Universiade |
Taipei |
 TPE |
10 km, Men |
🥈 |
GER |
|
| Open Water Swimming |
2018 European Aquatics Championships |
Glasgow, Edinburgh and Loch Lomond |
 GBR |
4 x 1.25 km Relay, Mixed |
🥈 |
GER |
|
| Open Water Swimming |
2018 European Aquatics Championships |
Glasgow, Edinburgh and Loch Lomond |
GBR |
10 km, Men |
16 |
GER |
|
| Open Water Swimming |
2019 Marathon Swimming World Series |
Balatonfüred |
HUN |
10 km, Men |
🥉 |
GER |
|
| Open Water Swimming |
2019 World Aquatics Championships |
Gwangju |
 KOR |
5 km, Men |
23 |
GER |
|
| Open Water Swimming |
2019 World Aquatics Championships |
Gwangju |
KOR |
25 km, Men |
9 |
GER |
|
| Open Water Swimming |
2019 World Aquatics Championships |
Gwangju |
KOR |
4 x 1.25 km Relay, Mixed |
🥇 |
GER |
|
| Open Water Swimming |
2019 World Beach Games |
Doha |
QAT |
5 km, Men |
🥉 |
GER |
|