2018 Ironman 70.3 Dún Laoghaire
| Host City |
Dún Laoghaire |
| Country |
 IRL |
| Held |
19 August 2018 |
| Competitors |
6 |
| Countries |
4 |
Events
| Event |
Gender |
Held |
Status |
Competitors |
Countries |
| Ironman 70.3 |
Men |
19 August 2018 |
Medal |
3 |
3 |
| Ironman 70.3 |
Women |
19 August 2018 |
Medal |
3 |
3 |
Medal table
| Pos |
Country |
🥇 Gold |
🥈 Silver |
🥉 Bronze |
Total |
| 1 |
Great Britain |
 GBR |
2 |
0 |
0 |
2 |
| 2 |
United States |
 USA |
0 |
1 |
1 |
2 |
| 3 |
Belgium |
 BEL |
0 |
1 |
0 |
1 |
| 4 |
Ireland |
IRL |
0 |
0 |
1 |
1 |
Medal winners