Brockhoff has participated in the Australia New Zealand Cup since 2008. She has had 13 victories so far and won the snowboard cross classification in 2011, 2012, 2013, 2014, 2015 and 2016 (as of the end of the 2019/20 season). She drove her first World Cup race in December 2010 in Telluride , which she finished in 36th place in the parallel giant slalom. Since the 2011/12 season she has only started in snowboard cross. In December 2012 she achieved her first podium finish in the World Cup with third place in Montafon . At the Snowboard World Championships 2013 in Stoneham , she finished 13th. In her first Olympic participation in Sochi in 2014 , she came in eighth place. In the 2014/15 season she achieved a top ten position in all snowboard cross races and ended the season in fifth place in the overall snowboard cross ranking. In January 2015, she took seventh place at the 2015 Snowboard World Championships on Kreischberg . That same month she finished fourth at the Winter X Games in Aspen . In the 2015/16 season she came in eight participations, seven times in the top ten. She reached second place in Sunny Valley and Veysonnaz . In March 2016 she won her first World Cup victory in Baqueira-Beret and at the end of the season she finished third in the Snowboard Cross World Cup. In the following season, she won two World Cups and also came second once. As in the previous year, she finished third in the Snowboard Cross World Cup. At the 2018 Winter Olympics in Pyeongchang , she came 11th. In the 2019/20 season, she came third with three and one second and one first place, and came second in the Snowboard Cross World Cup.
Personal
Brockhoff came out as a lesbian in 2013 and criticized the Russian legislation against "homosexual propaganda" in the course of her participation in the Winter Olympics in Sochi. With her outing, she wanted to support homosexual people in Russia.
Australia
World cup
Baqueira beret
Montafon
Bansko
Big White