She qualified for the 2014 Winter Olympics in Sochi . There she won the bronze medal in the women's snowboard cross competition . At the 2015 Snowboard World Championships on Kreischberg , she came 12th. She won silver at the 2015 Winter Universiade in Sierra Nevada . In March 2015 in Veysonnaz she took her first podium finishes in the World Cup with two third places and finished the 2014/15 season in fourth place in the Snowboard Cross World Cup. In the 2015/16 season she made eight appearances in the World Cup, six times in the top ten. She won third place twice and second place once. At the end of February 2016, she won her first World Cup victory in the Bokwang Phoenix Park in Pyeongchang and, like last year, finished fourth in the Snowboard Cross World Cup at the end of the season. In March 2016 she became French champion in snowboard cross. In the following season she finished third and once in second place in the World Cup and thus again achieved fourth place in the Snowboard Cross World Cup. She also won the team competition in Montafon and took second place in Solitude and Veysonnaz together with Nelly Moenne-Loccoz . At the season highlight of the Snowboard World Championships 2017 in Sierra Nevada , she won the silver medal in the individual and together with Nelly Moenne-Loccoz won the gold medal in the team competition. In April 2017, as in the previous year, she became French champion. In the 2017/18 season she was among the top ten in all 12 World Cup appearances. She won twice the third, three times the second and once the first place and thus reached the second place in the Snowboard Cross World Cup. She also won the team competition in Montafon, Erzurum , Moscow and Veysonnaz together with Nelly Moenne-Loccoz . At the 2018 Winter Olympics in Pyeongchang, she was fifth in snowboard cross.
In the 2018/19 season, Trespeuch achieved fifth place in the Snowboard Cross World Cup with a fourth and two second places in Baqueira-Beret and Veysonnaz . At the Snowboard World Championships 2019 in Park City , she was seventh in the individual and fifth in the team competition. In March 2019 she won the French championships in Isola 2000 . In the following season she achieved two second places and her third World Cup victory, third place in the Snowboard Cross World Cup.
World Cup victories and overall World Cup placements
France
World cup
Pyeongchang
Cerro Catedral
Sierra Nevada