2003 Ironman Japan
| Host City |
Gotö/Nagasaki |
| Country |
 JPN |
| Held |
18 May 2003 |
| Competitors |
6 |
| Countries |
4 |
Events
| Event |
Gender |
Held |
Status |
Competitors |
Countries |
| Ironman |
Men |
18 May 2003 |
Medal |
3 |
2 |
| Ironman |
Women |
18 May 2003 |
Medal |
3 |
3 |
Medal table
| Pos |
Country |
🥇 Gold |
🥈 Silver |
🥉 Bronze |
Total |
| 1 |
Germany |
 GER |
1 |
1 |
0 |
2 |
| 2 |
United States |
 USA |
1 |
0 |
0 |
1 |
| 3 |
Japan |
JPN |
0 |
1 |
1 |
2 |
| 4 |
Australia |
 AUS |
0 |
0 |
1 |
1 |
Medal winners