Rubuta ci gaba don wannan sakin layi - Nikkanen ya lashe lambar zinare a gasar zakarun Turai ta 2007 (mita 4.35) da lambar azurfa a gasar zakarun Turai ta 2009 U23
(Mita 4.45) Ta fafata a Gasar Cin Kofin Duniya a 2007 da kuma a 2009 ba tare da kaiwa wasan karshe ba. Ta kasance ta 10 a Gasar Cin Kofin Duniya a watan Agusta 2015 tare da vault wanda ya kafa Rikodin Kasa na Finnish.