Whakaotihia te rerenga e whai ake nei: I timata a Kosi i tana whakataetae Ipu o te Ao i te Maehe 2011 i Kranjska Gora, Slovenia. I whai wāhi ia ki te
2013 World Ski Championships, i reira ko tana hua pai ko te 12th wahi i roto i te super whakakotahi. I tohu a Kosi i a Slovenia i nga Taakaro Orimipia o te Takurua 2014, i eke ai ia ki te 24th i te heke.