Stefan Nillessen
Biographical details
| Code | ATH-M-042257 |
|---|---|
| Gender | Male |
| Used name | Stefan•Nillessen |
| Born | 2 January 2003 |
Results
| Sport | Competition | Host City | Country | Event | Placement | Country | |
|---|---|---|---|---|---|---|---|
| Athletics | 2023 European Athletics U23 Championships | Espoo |  FIN |
1,500 m, Men | 🥇 |  NED |
|
| Athletics | 2025 European Athletics U23 Championships | Bergen |  NOR |
1,500 m, Men | 🥇 | NED |
|
| Athletics | 2025 European Athletics U23 Championships | Bergen | NOR |
3,000 m Steeplechase, Men | 🥈 | NED |