 Nyorai kuenderera mberi kweiyi ndima - Muna 2015 Tikkanen akapedza wechipiri muFinland Championship makwikwi ese-akatenderedza. Akanga ari panzvimbo yokutanga kutozosvikira kutenderera kwokupedzisira, apo akawana pfundo muribhoni rake. Tikkanen akakwikwidza pa2015 World Championships muStuttgart achipedza 35th muAll-around qualifiers uye haana kufambira mberi muTop 24 finals. Tikkanen akakwikwidza mu2015 European ChampionshipsmuMinsk, Belarus uye akapedza ari wechi21 mumakwikwi ose uye wechi6 mumakwikwi ekupedzisira neboka rake Ekaterina Volkova. 