Fionnuala Britton Achievements Achievements

| Year_ | Competition | Venue | Position_ | Event |
|---|---|---|---|---|
| 2005 | European U23 Championships | Erfurt, Germany | 9th | 3000 m st. |
| 2005 | Universiade | İzmir , Turkey | 11th | 3000 m st. |
| 2006 | European Championships | Gothenburg , Sweden | 17th (h) | 3000 m st. |
| 2006 | European Cross Country Championships | San Giorgio su Legnano , Italy | 2nd | Under-23 race |
| 2007 | World Cross Country Championships | Mombasa , Kenya | 14th | Senior race |
| 2007 | World Championships | Osaka , Japan | 12th | 3000 m st. |
| 2008 | World University Cross Country Championships | Haute Normandie - Rouen , France | 2nd | Under-23 |
| 2008 | Olympic Games | Beijing, China | heats | 3000 m st. |
| 2009 | Universiade | Belgrade, Serbia | 6th | 3000 m st. |