Groenewoud made his debut in Les Contamines in January 2006 in the Freestyle Skiing World Cup and finished seventh. She achieved her first podium finish in the World Cup in March 2008 with third place in Chiesa in Valmalenco . Since 2008 she has also been participating in the AFP World Tour competitions. In the 2008/09 season she came second at the Winter Dew Tour in Northstar at Tahoe and third at the European Freeski Open in Laax and at the World Cup in La Plagne . At the Freestyle Skiing World Championships 2009 in Inawashiro , she finished 11th. In April 2009 she won the Big Air at the World Skiing Invitational in Whistler and thus reached third place in the AFP World Tour halfpipe rating. At the beginning of the 2009/10 season she won the silver medal at the New Zealand Winter Games in Gibbston in slopestyle and on the halfpipe. Third places followed on the Winter Dew Tour on Mount Snow and in Snowbasin . She won bronze at the Winter X Games 2010 in Aspen and the silver medal at the Winter X Games Europe 2010 in Tignes . At the end of the season she achieved second place in the AFP World Tour halfpipe rating. In the 2010/11 season she won the US Grand Prix in Copper Mountain and the World Cup on Kreischberg . In February 2011 she became world champion in the halfpipe discipline at the 2011 Freestyle Skiing World Championships in Park City . At the Winter X Games 2011 in Aspen , she won bronze. The season she finished third in the AFP World Tour halfpipe rating and second in the Halfpipe World Cup. At the beginning of the 2011/12 season she finished second in the US Grand Prix and World Cup in Copper Mountain . Later in the season she won the Pipe Open Series in Whistler and came second at the Winter Dew Tour in Snowbasin and at the US Grand Prix and World Cup in Mammoth . She won the gold medal at the Winter X Games 2012 in Aspen and the Winter X Games Europe 2012 in Tignes. In April 2012, she came third at the World Skiing Invitational in Whistler and finished the season in second place in the halfpipe world cup and first place in the AFP World Tour halfpipe rating.