| Swimming |
2005 USA Swimming National Championships (Outdoor/LCM) |
Irvine, California |
 USA |
1,500 m Freestyle, Men |
7 |
 GER |
|
| Swimming |
2005 USA Swimming National Championships (Outdoor/LCM) |
Irvine, California |
USA |
800 m Freestyle, Men |
6 |
GER |
|
| Swimming |
2006 European Aquatics Championships |
Budapest |
 HUN |
4 x 200 m Freestyle Relay, Men |
7 |
GER |
|
| Swimming |
2007 European Short Course Swimming Championships |
Debrecen |
HUN |
400 m Freestyle, Men |
14 |
GER |
|
| Open Water Swimming |
2008 European Open Water Swimming Championships |
Dubrovnik |
 CRO |
5 km, Men |
🥈 |
GER |
|
| Open Water Swimming |
2008 European Open Water Swimming Championships |
Dubrovnik |
CRO |
5 km, Team, Mixed |
🥉 |
GER |
|
| Swimming |
2008 Swim World Cup |
Berlin |
GER |
1,500 m Freestyle, Men |
🥈 |
GER |
|
| Swimming |
2009 World Aquatics Championships |
Roma |
 ITA |
800 m Freestyle, Men |
9 |
GER |
|
| Open Water Swimming |
2009 World Aquatics Championships |
Roma |
ITA |
5 km, Men |
21 |
GER |
|
| Swimming |
2009 European Short Course Swimming Championships |
İstanbul |
 TUR |
1,500 m Freestyle, Men |
🥇 |
GER |
|
| Open Water Swimming |
2010 World Open Water Swimming Championships |
Roberval |
 CAN |
5 km, Men |
23 |
GER |
|
| Open Water Swimming |
2010 European Aquatics Championships |
Budapest |
HUN |
5 km, Men |
6 |
GER |
|
| Open Water Swimming |
2010 European Aquatics Championships |
Budapest |
HUN |
5 km, Team, Mixed |
4 |
GER |
|
| Swimming |
2010 European Aquatics Championships |
Budapest |
HUN |
800 m Freestyle, Men |
16 |
GER |
|
| Swimming |
2010 Swim World Cup |
Berlin |
GER |
1,500 m Freestyle, Men |
🥉 |
GER |
|
| Swimming |
2010 European Short Course Swimming Championships |
Eindhoven |
 NED |
1,500 m Freestyle, Men |
5 |
GER |
|
| Open Water Swimming |
2011 World Aquatics Championships |
Shanghai |
 CHN |
5 km, Men |
23 |
GER |
|
| Open Water Swimming |
2011 World Aquatics Championships |
Shanghai |
CHN |
5 km, Team, Mixed |
🥉 |
GER |
|
| Open Water Swimming |
2011 European Open Water Swimming Championships |
Eilat |
 ISR |
5 km, Men |
🥈 |
GER |
|
| Swimming |
2012 European Aquatics Championships |
Debrecen (HUN); Eindhoven (NED) |
 MIX |
1,500 m Freestyle, Men |
6 |
GER |
|
| Swimming |
2012 European Aquatics Championships |
Debrecen (HUN); Eindhoven (NED) |
MIX |
800 m Freestyle, Men |
16 |
GER |
|