At the 2010 World Junior Championships in Moncton Utriainen won gold, throwing a personal best 56.69 m on her final attempt to overtake Latvia's Līna Mūze by five centimetres. Later that summer she won gold at the Finnish championships in Kajaani, throwing 56.29 m for her first (and, , only) national senior title; she also won at the Finland-Sweden Athletics International, setting a new personal best of 57.26 m.