Rubuta ci gaba don wannan sakin layi - Kanervo ya karya 50 seconds a cikin mita 400 na shinge a karo na farko a ranar 11 ga Afrilu 2015 a Greenville, North Carolina, yana gudana 49.78. Ya sha wahala daga raunin groin na yau da kullun a cikin lokacin koleji na 2015, amma ya kasance cikin kyakkyawan tsari; ya cancanci zuwa wasan karshe na NCAA na farko, yana matsayi na shida a cikin 50.20. A gasar zakarun Turai ta U23 ta 2015
a Tallinn Kanervo ya inganta aikinsa na sirri zuwa 49.66, ya lashe azurfa a bayan Patryk Dobek na Poland; shi ne kawai dan wasan Finland.