| Swimming |
2011 European Youth Summer Olympic Festival |
Trabzon |
 TUR |
1,500 m Freestyle, Men |
🥈 |
 CZE |
|
| Swimming |
2011 European Youth Summer Olympic Festival |
Trabzon |
TUR |
400 m Freestyle, Men |
🥉 |
CZE |
|
| Swimming |
2012 European Aquatics Championships |
Debrecen (HUN); Eindhoven (NED) |
 MIX |
1,500 m Freestyle, Men |
16 |
CZE |
|
| Open Water Swimming |
2012 World Junior Open Water Swimming Championships |
Welland |
 CAN |
7.5 km, Men |
🥉 |
CZE |
|
| Swimming |
2012 European Short Course Swimming Championships |
Chartres |
 FRA |
1,500 m Freestyle, Men |
11 |
CZE |
|
| Swimming |
2012 European Short Course Swimming Championships |
Chartres |
FRA |
400 m Freestyle, Men |
25 |
CZE |
|
| Swimming |
2013 European Junior Swimming Championships |
Poznań |
 POL |
400 m Freestyle, Men |
🥇 |
CZE |
|
| Swimming |
2013 European Junior Swimming Championships |
Poznań |
POL |
800 m Freestyle, Men |
🥈 |
CZE |
|
| Swimming |
2013 European Junior Swimming Championships |
Poznań |
POL |
1,500 m Freestyle, Men |
🥇 |
CZE |
|
| Swimming |
2013 World Junior Swimming Championships |
Dubai |
 UAE |
400 m Freestyle, Men |
🥉 |
CZE |
|
| Swimming |
2013 World Junior Swimming Championships |
Dubai |
UAE |
800 m Freestyle, Men |
🥈 |
CZE |
|
| Swimming |
2013 World Junior Swimming Championships |
Dubai |
UAE |
1,500 m Freestyle, Men |
🥈 |
CZE |
|
| Swimming |
2013 European Short Course Swimming Championships |
Herning |
 DEN |
1,500 m Freestyle, Men |
DNS |
CZE |
|
| Swimming |
2013 European Short Course Swimming Championships |
Herning |
DEN |
400 m Freestyle, Men |
46 |
CZE |
|
| Swimming |
2013 European Short Course Swimming Championships |
Herning |
DEN |
200 m Freestyle, Men |
DNS |
CZE |
|
| Swimming |
2014 European Aquatics Championships |
Berlin |
 GER |
400 m Freestyle, Men |
7 |
CZE |
|
| Swimming |
2014 European Aquatics Championships |
Berlin |
GER |
800 m Freestyle, Men |
5 |
CZE |
|
| Swimming |
2014 European Aquatics Championships |
Berlin |
GER |
1,500 m Freestyle, Men |
9 |
CZE |
|
| Swimming |
2014 European Aquatics Championships |
Berlin |
GER |
4 x 200 m Freestyle Relay, Men |
12 |
CZE |
|
| Swimming |
2014 World Swimming Championships (25 m) |
Doha |
 QAT |
400 m Freestyle, Men |
20 |
CZE |
|
| Swimming |
2014 World Swimming Championships (25 m) |
Doha |
QAT |
4 x 200 m Freestyle Relay, Men |
10 |
CZE |
|
| Swimming |
2014 World Swimming Championships (25 m) |
Doha |
QAT |
1,500 m Freestyle, Men |
10 |
CZE |
|
| Swimming |
2015 World Aquatics Championships |
Kazan |
 RUS |
400 m Freestyle, Men |
43 |
CZE |
|
| Swimming |
2015 World Aquatics Championships |
Kazan |
RUS |
1,500 m Freestyle, Men |
23 |
CZE |
|
| Swimming |
2015 World Aquatics Championships |
Kazan |
RUS |
800 m Freestyle, Men |
30 |
CZE |
|
| Swimming |
2015 Swim World Cup |
Chartres-Paris |
FRA |
1,500 m Freestyle, Men |
🥈 |
CZE |
|
| Swimming |
2015 Swim World Cup |
Chartres-Paris |
FRA |
400 m Freestyle, Men |
🥇 |
CZE |
|
| Swimming |
2015 Swim World Cup |
Dubai |
UAE |
1,500 m Freestyle, Men |
🥇 |
CZE |
|
| Swimming |
2015 European Short Course Swimming Championships |
Netanya |
 ISR |
1,500 m Freestyle, Men |
4 |
CZE |
|
| Swimming |
2015 European Short Course Swimming Championships |
Netanya |
ISR |
400 m Freestyle, Men |
7 |
CZE |
|
| Swimming |
2016 European Aquatics Championships |
London |
 GBR |
800 m Freestyle, Men |
4 |
CZE |
|
| Swimming |
2016 European Aquatics Championships |
London |
GBR |
400 m Freestyle, Men |
10 |
CZE |
|
| Swimming |
2016 European Aquatics Championships |
London |
GBR |
1,500 m Freestyle, Men |
5 |
CZE |
|
| Swimming |
2016 Swim World Cup |
Paris-Chartres |
FRA |
1,500 m Freestyle, Men |
🥇 |
CZE |
|
| Swimming |
2016 Swim World Cup |
Berlin |
GER |
1,500 m Freestyle, Men |
🥈 |
CZE |
|
| Swimming |
2016 World Swimming Championships (25 m) |
Windsor |
CAN |
4 x 200 m Freestyle Relay, Men |
15 |
CZE |
|
| Swimming |
2016 World Swimming Championships (25 m) |
Windsor |
CAN |
1,500 m Freestyle, Men |
10 |
CZE |
|
| Swimming |
2016 World Swimming Championships (25 m) |
Windsor |
CAN |
400 m Freestyle, Men |
34 |
CZE |
|
| Swimming |
2017 World Aquatics Championships |
Budapest |
 HUN |
1,500 m Freestyle, Men |
8 |
CZE |
|
| Swimming |
2017 World Aquatics Championships |
Budapest |
HUN |
800 m Freestyle, Men |
16 |
CZE |
|
| Swimming |
2017 World Aquatics Championships |
Budapest |
HUN |
400 m Freestyle, Men |
28 |
CZE |
|
| Swimming |
2017 European Short Course Swimming Championships |
København |
DEN |
1,500 m Freestyle, Men |
6 |
CZE |
|
| Swimming |
2017 European Short Course Swimming Championships |
København |
DEN |
400 m Freestyle, Men |
14 |
CZE |
|
| Swimming |
2018 European Aquatics Championships |
Glasgow, Edinburgh and Loch Lomond |
GBR |
400 m Freestyle, Men |
6 |
CZE |
|
| Swimming |
2018 European Aquatics Championships |
Glasgow, Edinburgh and Loch Lomond |
GBR |
800 m Freestyle, Men |
5 |
CZE |
|
| Swimming |
2018 European Aquatics Championships |
Glasgow, Edinburgh and Loch Lomond |
GBR |
1,500 m Freestyle, Men |
8 |
CZE |
|
| Swimming |
2018 World Swimming Championships (25 m) |
Hangzhou |
 CHN |
1,500 m Freestyle, Men |
6 |
CZE |
|
| Swimming |
2018 World Swimming Championships (25 m) |
Hangzhou |
CHN |
400 m Freestyle, Men |
11 |
CZE |
|
| Swimming |
2019 World Aquatics Championships |
Gwangju |
 KOR |
1,500 m Freestyle, Men |
10 |
CZE |
|
| Swimming |
2019 World Aquatics Championships |
Gwangju |
KOR |
800 m Freestyle, Men |
10 |
CZE |
|
| Swimming |
2019 Swim World Cup |
Budapest |
HUN |
1,500 m Freestyle, Men |
🥈 |
CZE |
|
| Swimming |
2019 Swim World Cup |
Budapest |
HUN |
400 m Freestyle, Men |
🥉 |
CZE |
|
| Swimming |
2019 Swim World Cup |
Doha |
QAT |
1,500 m Freestyle, Men |
🥈 |
CZE |
|
| Swimming |
2019 Swim World Cup |
Doha |
QAT |
400 m Freestyle, Men |
🥈 |
CZE |
|
| Swimming |
2019 European Short Course Swimming Championships |
Glasgow |
GBR |
400 m Freestyle, Men |
14 |
CZE |
|
| Swimming |
2019 European Short Course Swimming Championships |
Glasgow |
GBR |
1,500 m Freestyle, Men |
7 |
CZE |
|
| Swimming |
2020 European Aquatics Championships |
Budapest |
HUN |
1,500 m Freestyle, Men |
14 |
CZE |
|
| Swimming |
2020 European Aquatics Championships |
Budapest |
HUN |
800 m Freestyle, Men |
26 |
CZE |
|
| Swimming |
2020 European Aquatics Championships |
Budapest |
HUN |
400 m Freestyle, Men |
34 |
CZE |
|
| Swimming |
2021 World Swimming Championships (25 m) |
Abu Dhabi |
UAE |
400 m Freestyle, Men |
35 |
CZE |
|
| Swimming |
2021 World Swimming Championships (25 m) |
Abu Dhabi |
UAE |
1,500 m Freestyle, Men |
16 |
CZE |
|