| Swimming |
2015 European Youth Summer Olympic Festival |
Tbilisi |
 GEO |
100 m Backstroke, Men |
🥈 |
 IRL |
|
| Swimming |
2015 European Youth Summer Olympic Festival |
Tbilisi |
GEO |
200 m Backstroke, Men |
🥈 |
IRL |
|
| Swimming |
2015 World Junior Swimming Championships |
Singapore |
 SGP |
4 x 100 m Freestyle Relay, Mixed |
12 |
IRL |
|
| Swimming |
2016 European Aquatics Championships |
London |
 GBR |
100 m Backstroke, Men |
13 |
IRL |
|
| Swimming |
2016 European Junior Swimming Championships |
Hódmezővásárhely |
 HUN |
100 m Backstroke, Men |
🥈 |
IRL |
|
| Swimming |
2017 European Junior Swimming Championships |
Netanya |
 ISR |
50 m Backstroke, Men |
🥈 |
IRL |
|
| Swimming |
2017 World Aquatics Championships |
Budapest |
HUN |
200 m Backstroke, Men |
21 |
IRL |
|
| Swimming |
2017 World Junior Swimming Championships |
Indianapolis |
 USA |
100 m Backstroke, Men |
🥈 |
IRL |
|
| Swimming |
2017 European Short Course Swimming Championships |
København |
 DEN |
50 m Backstroke, Men |
13 |
IRL |
|
| Swimming |
2017 European Short Course Swimming Championships |
København |
DEN |
100 m Backstroke, Men |
37 |
IRL |
|
| Swimming |
2017 European Short Course Swimming Championships |
København |
DEN |
200 m Backstroke, Men |
20 |
IRL |
|
| Swimming |
2017 European Short Course Swimming Championships |
København |
DEN |
100 m Individual Medley, Men |
34 |
IRL |
|
| Swimming |
2018 Commonwealth Games |
Gold Coast |
 AUS |
4 x 100 m Medley Relay, Men |
6 |
 NIR |
|
| Swimming |
2018 Commonwealth Games |
Gold Coast |
AUS |
200 m Backstroke, Men |
9 |
NIR |
|
| Swimming |
2018 Commonwealth Games |
Gold Coast |
AUS |
100 m Backstroke, Men |
8 |
NIR |
|
| Swimming |
2018 Commonwealth Games |
Gold Coast |
AUS |
50 m Backstroke, Men |
5 |
NIR |
|
| Swimming |
2018 European Aquatics Championships |
Glasgow, Edinburgh and Loch Lomond |
GBR |
4 x 100 m Medley Relay, Men |
DQ |
IRL |
|
| Swimming |
2018 European Aquatics Championships |
Glasgow, Edinburgh and Loch Lomond |
GBR |
100 m Backstroke, Men |
9 |
IRL |
|
| Swimming |
2018 European Aquatics Championships |
Glasgow, Edinburgh and Loch Lomond |
GBR |
50 m Backstroke, Men |
=9 |
IRL |
|
| Swimming |
2018 World Swimming Championships (25 m) |
Hangzhou |
 CHN |
50 m Backstroke, Men |
=20 |
IRL |
|
| Swimming |
2018 World Swimming Championships (25 m) |
Hangzhou |
CHN |
100 m Backstroke, Men |
24 |
IRL |
|
| Swimming |
2018 World Swimming Championships (25 m) |
Hangzhou |
CHN |
4 x 50 m Medley Relay, Men |
11 |
IRL |
|
| Swimming |
2018 World Swimming Championships (25 m) |
Hangzhou |
CHN |
4 x 100 m Medley Relay, Men |
10 |
IRL |
|
| Swimming |
2019 World Aquatics Championships |
Gwangju |
 KOR |
50 m Backstroke, Men |
28 |
IRL |
|
| Swimming |
2019 World Aquatics Championships |
Gwangju |
KOR |
200 m Backstroke, Men |
33 |
IRL |
|
| Swimming |
2019 World Aquatics Championships |
Gwangju |
KOR |
4 x 100 m Medley Relay, Mixed |
19 |
IRL |
|
| Swimming |
2019 European Short Course Swimming Championships |
Glasgow |
GBR |
4 x 50 m Medley Relay, Men |
6 |
IRL |
|
| Swimming |
2019 European Short Course Swimming Championships |
Glasgow |
GBR |
200 m Backstroke, Men |
20 |
IRL |
|
| Swimming |
2019 European Short Course Swimming Championships |
Glasgow |
GBR |
100 m Backstroke, Men |
23 |
IRL |
|
| Swimming |
2019 European Short Course Swimming Championships |
Glasgow |
GBR |
50 m Backstroke, Men |
22 |
IRL |
|
| Swimming |
2019 European Short Course Swimming Championships |
Glasgow |
GBR |
4 x 50 m Medley Relay, Mixed |
13 |
IRL |
|
| Swimming |
2020 European Aquatics Championships |
Budapest |
HUN |
50 m Backstroke, Men |
=7 |
IRL |
|
| Swimming |
2023 World Aquatics Championships |
Fukuoka |
 JPN |
50 m Backstroke, Men |
13 |
IRL |
|
| Swimming |
2023 World Aquatics Championships |
Fukuoka |
JPN |
100 m Backstroke, Men |
22 |
IRL |
|
| Swimming |
2023 World Aquatics Championships |
Fukuoka |
JPN |
4 x 100 m Medley Relay, Men |
13 |
IRL |
|
| Swimming |
2024 World Aquatics Championships |
Doha |
 QAT |
50 m Backstroke, Men |
DNS |
IRL |
|
| Swimming |
2024 World Aquatics Championships |
Doha |
QAT |
100 m Backstroke, Men |
13 |
IRL |
|
| Swimming |
2024 World Aquatics Championships |
Doha |
QAT |
4 x 100 m Medley Relay, Men |
7 |
IRL |
|